干货分享 超炫丽的HTML5/jQuery应用及代码

今天我们要来分享一些HTML5干货，对于前段开发者来说，这些HTML5应用和jQuery插件将会让你的项目更加生动和炫丽，至少在UI设计方面，或多或少会带给你一点设计灵感，赶紧收藏和分享吧。另外这些HTML5应用的源代码也一并分享了。

HTML5 Canvas画板画图工具 可定义笔刷和画布

这是一款基于HTML5 Canvas的网络画板应用，简化版的，可以自己在上面扩展。

核心jQuery代码：

function prepareCanvas()
{
    // Create the canvas (Neccessary for IE because it doesn't know what a canvas element is)
    var canvasDiv = document.getElementById('canvasDiv');
    canvas = document.createElement('canvas');
    canvas.setAttribute('width', canvasWidth);
    canvas.setAttribute('height', canvasHeight);
    canvas.setAttribute('id', 'canvas');
    canvasDiv.appendChild(canvas);
    if(typeof G_vmlCanvasManager != 'undefined') {
        canvas = G_vmlCanvasManager.initElement(canvas);
    }
    context = canvas.getContext("2d"); // Grab the 2d canvas context
    // Note: The above code is a workaround for IE 8 and lower. Otherwise we could have used:
    //     context = document.getElementById('canvas').getContext("2d");
    
    // Load images
    // -----------
    crayonImage.onload = function() { resourceLoaded(); 
    };
    crayonImage.src = "images/crayon-outline.png";
    //context.drawImage(crayonImage, 0, 0, 100, 100);
    
    markerImage.onload = function() { resourceLoaded(); 
    };
    markerImage.src = "images/marker-outline.png";
    
    eraserImage.onload = function() { resourceLoaded(); 
    };
    eraserImage.src = "images/eraser-outline.png";    
    
    crayonBackgroundImage.onload = function() { resourceLoaded(); 
    };
    crayonBackgroundImage.src = "images/crayon-background.png";
    
    markerBackgroundImage.onload = function() { resourceLoaded(); 
    };
    markerBackgroundImage.src = "images/marker-background.png";
    
    eraserBackgroundImage.onload = function() { resourceLoaded(); 
    };
    eraserBackgroundImage.src = "images/eraser-background.png";

    crayonTextureImage.onload = function() { resourceLoaded(); 
    };
    crayonTextureImage.src = "images/crayon-texture.png";
    
    outlineImage.onload = function() { resourceLoaded(); 
    };
    outlineImage.src = "images/watermelon-duck-outline.png";

    // Add mouse events
    // ----------------
    $('#canvas').mousedown(function(e)
    {
        // Mouse down location
        var mouseX = e.pageX - this.offsetLeft;
        var mouseY = e.pageY - this.offsetTop;
        
        if(mouseX < drawingAreaX) // Left of the drawing area
        {
            if(mouseX > mediumStartX)
            {
                if(mouseY > mediumStartY && mouseY < mediumStartY + mediumImageHeight){
                    curColor = colorPurple;
                }else if(mouseY > mediumStartY + mediumImageHeight && mouseY < mediumStartY + mediumImageHeight * 2){
                    curColor = colorGreen;
                }else if(mouseY > mediumStartY + mediumImageHeight * 2 && mouseY < mediumStartY + mediumImageHeight * 3){
                    curColor = colorYellow;
                }else if(mouseY > mediumStartY + mediumImageHeight * 3 && mouseY < mediumStartY + mediumImageHeight * 4){
                    curColor = colorBrown;
                }
            }
        }
        else if(mouseX > drawingAreaX + drawingAreaWidth) // Right of the drawing area
        {
            if(mouseY > toolHotspotStartY)
            {
                if(mouseY > sizeHotspotStartY)
                {
                    var sizeHotspotStartX = drawingAreaX + drawingAreaWidth;
                    if(mouseY < sizeHotspotStartY + sizeHotspotHeight && mouseX > sizeHotspotStartX)
                    {
                        if(mouseX < sizeHotspotStartX + sizeHotspotWidthObject.huge){
                            curSize = "huge";
                        }else if(mouseX < sizeHotspotStartX + sizeHotspotWidthObject.large + sizeHotspotWidthObject.huge){
                            curSize = "large";
                        }else if(mouseX < sizeHotspotStartX + sizeHotspotWidthObject.normal + sizeHotspotWidthObject.large + sizeHotspotWidthObject.huge){
                            curSize = "normal";
                        }else if(mouseX < sizeHotspotStartX + sizeHotspotWidthObject.small + sizeHotspotWidthObject.normal + sizeHotspotWidthObject.large + sizeHotspotWidthObject.huge){
                            curSize = "small";                        
                        }
                    }
                }
                else
                {
                    if(mouseY < toolHotspotStartY + toolHotspotHeight){
                        curTool = "crayon";
                    }else if(mouseY < toolHotspotStartY + toolHotspotHeight * 2){
                        curTool = "marker";
                    }else if(mouseY < toolHotspotStartY + toolHotspotHeight * 3){
                        curTool = "eraser";
                    }
                }
            }
        }
        else if(mouseY > drawingAreaY && mouseY < drawingAreaY + drawingAreaHeight)
        {
            // Mouse click location on drawing area
        }
        paint = true;
        addClick(mouseX, mouseY, false);
        redraw();
    });
    
    $('#canvas').mousemove(function(e){
        if(paint==true){
            addClick(e.pageX - this.offsetLeft, e.pageY - this.offsetTop, true);
            redraw();
        }
    });
    
    $('#canvas').mouseup(function(e){
        paint = false;
          redraw();
    });
    
    $('#canvas').mouseleave(function(e){
        paint = false;
    });
}

在线演示        源码下载

HTML5/CSS3滑块动画菜单 图标动画很酷

非常实用的鼠标跟随滑动菜单，挺不错的。

核心CSS代码：

#menu ul{
  position:relative;
}
#menu ul:after{
  content:"";
  display:block;
  clear:both;
}
#menu a{
  color:#D8D8D8;
  text-decoration:none;
  display:block;
  width:100%;
  height:100%;
  text-shadow: 0 -1px 0 #000;
}
#menu li:after {
content: "";
width: 9.5238%;
height: 100%;
position: absolute;
top: 0;
right: -9.5238%;
background: url('css/menu-bg.png');
}
.rocket:before {
content: "";
width: 9.5238%;
height: 100%;
position: absolute;
top: 0;
left: -9.5238%;
background: url('css/menu-bg.png');
border-radius: 5px 0px 0px 5px;
}
.earth:after{
  border-radius:0px 5px 5px 0px;
}
.current{
  position:absolute;
  top:-13px;
  left:8.92857%;
  margin-left: -49px;
  width:95px;
  height:165px;
  -webkit-transition: all 400ms cubic-bezier(.45,1.92,.9,1.54);
-moz-transition: all 400ms cubic-bezier(.45,1.92,.9,1.54);
-o-transition: all 400ms cubic-bezier(.45,1.92,.9,1.54);
-ms-transition: all 400ms cubic-bezier(.45,1.92,.9,1.54);
transition: all 400ms cubic-bezier(.16,1.23,.87,1.18);
}
.current-back{
  width:100%;
  height:100%;
  position:absolute;
  background:#c39449;
  border-radius:5px;
  border-bottom: 2px solid rgba(0, 0, 0, 0.09);
  border-top: 2px solid rgba(255,255,255,0.1);
}
.top-arrow{
  position:absolute;
  overflow:hidden;
  width:100%;
  height:12px;
  top:13px;
  left:0;
  z-index:2;
}
.top-arrow:before{
  content:"";
  position:absolute;
  width:80%;
  height:10px;
  top:-10px;
  left:10%;
  border-radius:20%;
  box-shadow:0 0 10px black;
}
.top-arrow:after{
  content:"";
  position:absolute;
  width:0;
  height:0;
  top:0px;
  border-top:8px solid #c39449;
  border-left:6px solid transparent;
  border-right:6px solid transparent;
  margin-left:-6px;
  left:50%;
}

.bottom-arrow{
  position:absolute;
  overflow:hidden;
  width:100%;
  height:12px;
  bottom:17px;
  left:0;
  z-index:2;
}
.bottom-arrow:before{
  content:"";
  position:absolute;
  width:80%;
  height:10px;
  bottom:-10px;
  left:10%;
  border-radius:20%;
  box-shadow:0 0 10px black;
}
.bottom-arrow:after{
  content:"";
  position:absolute;
  width:0;
  height:0;
  bottom:0;
  border-bottom:12px solid #c39449;
  border-left:8px solid transparent;
  border-right:8px solid transparent;
  margin-left:-8px;
  left:50%;
}

.wine:hover ~ .current{
  left: 25.5%;
}
.burger:hover ~ .current{
 left: 42%;
}
.comment:hover ~ .current{  
   left: 58.5%;
}
.sport:hover ~ .current{
  left: 75%;  
}
.earth:hover ~ .current{
  left: 91.1%; 
}

在线演示        源码下载

HTML5/CSS3 3D文字特效 文字外翻效果

一款基于HTML5的3D文字特效。

核心CSS代码：

.letter{
  display: inline-block;
  font-weight: 900;
  font-size: 8em;
  margin: 0.2em;
  position: relative;
  color: #00B4F1;
  transform-style: preserve-3d;
  perspective: 400;
  z-index: 1;
}
.letter:before, .letter:after{
  position:absolute;
  content: attr(data-letter);
  transform-origin: top left;
  top:0;
  left:0;
}
.letter, .letter:before, .letter:after{
  transition: all 0.3s ease-in-out;
}
.letter:before{
  color: #fff;
  text-shadow: 
    -1px 0px 1px rgba(255,255,255,.8),
    1px 0px 1px rgba(0,0,0,.8);
  z-index: 3;
  transform:
    rotateX(0deg)
    rotateY(-15deg)
    rotateZ(0deg);
}
.letter:after{
  color: rgba(0,0,0,.11);
  z-index:2;
  transform:
    scale(1.08,1)
    rotateX(0deg)
    rotateY(0deg)
    rotateZ(0deg)
    skew(0deg,1deg);
}
.letter:hover:before{
  color: #fafafa;
  transform:
    rotateX(0deg)
    rotateY(-40deg)
    rotateZ(0deg);
}
.letter:hover:after{
  transform:
    scale(1.08,1)
    rotateX(0deg)
    rotateY(40deg)
    rotateZ(0deg)
    skew(0deg,22deg);
}

在线演示        源码下载

CSS3波浪形菜单 结合背景超级绚丽

一款非常具有创意的CSS3菜单，波浪形状的。

核心CSS代码：

.b-nav {
  overflow: hidden;
  position: relative;
  margin: 3em auto 0;
  width: 28em; height: 10em;
}
.b-menu {
  width: 0; height: 0;
  list-style: none;
}
.b-menu li {
  overflow: hidden;
  position: absolute;
  width: 12em; height: 12em;
}
.b-menu li:nth-child(-n+3) {
  top: 0.66em; left: -5.68em;
  transform-origin: 100% 100%;
}
.b-menu li:nth-child(n+4) {
  right: -5.69em; bottom: 0.66em;
  transform-origin: 0 0;
}
.b-menu li:first-child {
  transform: skewY(67.5deg);
}
.b-menu li:nth-child(2) {
  transform: rotate(22.5deg) skewY(67.5deg);
}
.b-menu li:nth-child(3) {
  transform: rotate(45deg) skewY(67.5deg);
}
.b-menu li:nth-child(4) {
  transform: skewY(67.5deg);
}
.b-menu li:nth-child(5) {
  transform: rotate(22.5deg) skewY(67.5deg);
}
.b-menu li:last-child {
  transform: rotate(45deg) skewY(67.5deg);
}
.b-menu a, .b-menu li:after {
  position: absolute;
  border-radius: 50%;
  box-shadow: 0 0 .2em black, inset 0 0 .2em black;
  transform: skewY(-67.5deg) rotate(-11.25deg);
}
.b-menu a {
  width: 200%; height: 200%;
  opacity: .7;
  background: radial-gradient(transparent 57.3%, 
    #c9c9c9 57.7%);
  color: #7a8092;
  font: 900 1em/2.5 sans-serif;
  text-align: center;
  text-decoration: none;
  transition: .5s;
}
.b-menu li:nth-child(n+4) a {
  top: -100%; left: -100%;
  line-height: 45.5;
}
.b-menu a:hover { opacity: 1; }
.b-menu li:after {
  top: 19%; left: 19%;
  width: 162%; height: 162%;
  content: '';
}
.b-menu li:nth-child(n+4):after {
  top: auto; right: 19%; bottom: 19%; left: auto;
}
.b-menu:before, .b-menu:after {
  position: absolute;
  width: 1em; height: 2.1em;
  opacity: .7;
  background: #c9c9c9;
  content: '';
}
.b-menu:before {
  top: 1.75em; left: 1.21em;
  border-radius: 100% 0 0 100%/ 50% 0 0 50%;
  transform: rotate(-22.5deg);
}
.b-menu:after {
  bottom: 1.75em; right: 1.21em;
  border-radius: 0 100% 100% 0/ 0 50% 50% 0;
  transform: rotate(-22.5deg);
}

在线演示        源码下载

HTML5/CSS3时尚的圆盘时钟动画 带当前日期

又是一款HTML5圆盘时钟动画。

核心CSS代码：

#watch .minute-marks li:first-child {transform:rotate(6deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(2) {transform:rotate(12deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(3) {transform:rotate(18deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(4) {transform:rotate(24deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(5) {transform:rotate(36deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(6) {transform:rotate(42deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(7) {transform:rotate(48deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(8) {transform:rotate(54deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(9) {transform:rotate(66deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(10) {transform:rotate(72deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(11) {transform:rotate(78deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(12) {transform:rotate(84deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(13) {transform:rotate(96deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(14) {transform:rotate(102deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(15) {transform:rotate(108deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(16) {transform:rotate(114deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(17) {transform:rotate(126deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(18) {transform:rotate(132deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(19) {transform:rotate(138deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(20) {transform:rotate(144deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(21) {transform:rotate(156deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(22) {transform:rotate(162deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(23) {transform:rotate(168deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(24) {transform:rotate(174deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(25) {transform:rotate(186deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(26) {transform:rotate(192deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(27) {transform:rotate(198deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(28) {transform:rotate(204deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(29) {transform:rotate(216deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(30) {transform:rotate(222deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(31) {transform:rotate(228deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(32) {transform:rotate(234deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(33) {transform:rotate(246deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(34) {transform:rotate(252deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(35) {transform:rotate(258deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(36) {transform:rotate(264deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(37) {transform:rotate(276deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(38) {transform:rotate(282deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(39) {transform:rotate(288deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(40) {transform:rotate(294deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(41) {transform:rotate(306deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(42) {transform:rotate(312deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(43) {transform:rotate(318deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(44) {transform:rotate(324deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(45) {transform:rotate(336deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(46) {transform:rotate(342deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(47) {transform:rotate(348deg) translateY(-12.7em)}
#watch .minute-marks li:nth-child(48) {transform:rotate(354deg) translateY(-12.7em)}
#watch .digits {
  width:30em;
  height:30em;
  border-radius:15em;
  position:absolute;
  top:0; left:50%;
  margin-left:-15em;
}
#watch .digits li {
  font-size:1.6em;
  display:block;
  width:1.6em;
  height:1.6em;
  position:absolute;
  top:50%; left:50%;
  line-height:1.6em;
  text-align:center;
  margin:-.8em 0 0 -.8em;
  font-weight:bold;
}
#watch .digits li:nth-child(1) { transform:translate(3.9em, -6.9em) }
#watch .digits li:nth-child(2) { transform:translate(6.9em, -4em) }
#watch .digits li:nth-child(3) { transform:translate(8em, 0) }
#watch .digits li:nth-child(4) { transform:translate(6.8em, 4em) }
#watch .digits li:nth-child(5) { transform:translate(3.9em, 6.9em) }
#watch .digits li:nth-child(6) { transform:translate(0, 8em) }
#watch .digits li:nth-child(7) { transform:translate(-3.9em, 6.9em) }
#watch .digits li:nth-child(8) { transform:translate(-6.8em, 4em) }
#watch .digits li:nth-child(9) { transform:translate(-8em, 0) }
#watch .digits li:nth-child(10) { transform:translate(-6.9em, -4em) }
#watch .digits li:nth-child(11) { transform:translate(-3.9em, -6.9em) }
#watch .digits li:nth-child(12) { transform:translate(0, -8em) }
#watch .digits:before {
  content:'';
  width:1.6em;
  height:1.6em;
  border-radius:.8em;
  position:absolute;
  top:50%; left:50%;
  margin:-.8em 0 0 -.8em;
  background:#121314;
}
#watch .digits:after {
  content:'';
  width:4em;
  height:4em;
  border-radius:2.2em;
  position:absolute;
  top:50%; left:50%;
  margin:-2.1em 0 0 -2.1em;
  border:.1em solid #c6c6c6;
  background:-webkit-radial-gradient(center, ellipse cover, rgba(200,200,200,0), rgba(190,190,190,1) 90%, rgba(130,130,130,1) 100%);
  background:-moz-radial-gradient(center, ellipse cover, rgba(200,200,200,0), rgba(190,190,190,1) 90%, rgba(130,130,130,1) 100%);
  background:radial-gradient(ellipse at center, rgba(200,200,200,0), rgba(190,190,190,1) 90%, rgba(130,130,130,1) 100%);
}
@keyframes hours { to {transform:rotate(335deg)} }
#watch .hours-hand {
  width:.8em;
  height:7em;
  border-radius:0 0 .9em .9em;
  background:#232425;
  position:absolute;
  bottom:50%; left:50%;
  margin:0 0 -.8em -.4em;
  box-shadow:#232425 0 0 2px;
  transform-origin:0.4em 6.2em;
  transform:rotate(-25deg);
  animation:hours 43200s linear 0s infinite;
}
#watch .hours-hand:before {
  content:'';
  background:inherit;
  width:1.8em;
  height:.8em;
  border-radius:0 0 .8em .8em;
  box-shadow:#232425 0 0 1px;
  position:absolute;
  top:-.7em; left:-.5em;
}
#watch .hours-hand:after {
  content:'';
  width:0; height:0;
  border:.9em solid #232425;
  border-width:0 .9em 2.4em .9em;
  border-left-color:transparent;
  border-right-color:transparent;
  position:absolute;
  top:-3.1em; left:-.5em;
}
@keyframes minutes { to {transform:rotate(422deg)} }
#watch .minutes-hand {
  width:.8em;
  height:12.5em;
  border-radius:.5em;
  background:#343536;
  position:absolute;
  bottom:50%; left:50%;
  margin:0 0 -1.5em -.4em;
  box-shadow:#343536 0 0 2px;
  transform-origin:0.4em 11em;
  transform:rotate(62deg);
  animation:minutes 3600s linear 0s infinite;
}
@keyframes seconds { to {transform:rotate(480deg)} }
#watch .seconds-hand {
  width:.2em;
  height:14em;
  border-radius:.1em .1em 0 0/10em 10em 0 0;
  background:#c00;
  position:absolute;
  bottom:50%; left:50%;
  margin:0 0 -2em -.1em;
  box-shadow:rgba(0,0,0,.8) 0 0 .2em;
  transform-origin:0.1em 12em;
  transform:rotate(120deg);
  animation:seconds 60s steps(60, end) 0s infinite;
}
#watch .seconds-hand:after {
  content:'';
  width:1.4em;
  height:1.4em;
  border-radius:.7em;
  background:inherit;
  position:absolute;
  left:-.65em; bottom:1.35em;
}
#watch .seconds-hand:before {
  content:'';
  width:.8em;
  height:3em;
  border-radius:.2em .2em .4em .4em/.2em .2em 2em 2em;
  box-shadow:rgba(0,0,0,.8) 0 0 .2em;
  background:inherit;
  position:absolute;
  left:-.35em; bottom:-3em;
}
#watch .digital-wrap {
  width:9em;
  height:3em;
  border:.1em solid #222;
  border-radius:.2em;
  position:absolute;
  top:50%; left:50%;
  margin:3em 0 0 -4.5em;
  overflow:hidden;
  background:#4c4c4c;
  background:-webkit-linear-gradient(top, #4c4c4c 0%,#0f0f0f 100%);
  background:-moz-linear-gradient(top, #4c4c4c 0%, #0f0f0f 100%);
  background:-ms-linear-gradient(top, #4c4c4c 0%,#0f0f0f 100%);
  background:-o-linear-gradient(top, #4c4c4c 0%,#0f0f0f 100%);
  background:linear-gradient(to bottom, #4c4c4c 0%,#0f0f0f 100%);
}
#watch .digital-wrap ul {
  float:left;
  width:2.85em;
  height:3em;
  border-right:.1em solid #000;
  color:#ddd;
  font-family:Consolas, monaco, monospace;
}
#watch .digital-wrap ul:last-child { border:none }
#watch .digital-wrap li {
  font-size:1.5em;
  line-height:2;
  letter-spacing:2px;
  text-align:center;
  position:relative;
  left:1px;
}
#watch .digit-minutes li {
  animation:dsm 3600s steps(60, end) 0s infinite;
}
#watch .digit-seconds li {
  animation:dsm 60s steps(60, end) 0s infinite;
}
@keyframes dsm {
  to { transform:translateY(-120em) }
}

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CSS3带图标提示插件 多主题颜色

一款基于CSS3样式提示框插件，色彩比较丰富。

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CSS3漂亮的自定义checkbox复选框 9款迷人样式

很酷的CSS3自定义checkbox插件，样式很丰富。

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HTML5/CSS3发光搜索表单 超酷CSS3表单

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CSS3悬停动画工具提示效果

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HTML5自定义Checkbox和Radiobox 很酷的选中动画

非常不错的一款HTML5 教程，可以让你自定义checkbox和radiobox。

核心CSS代码：

 .check-box {
    width: 22px;
    height: 22px;
    cursor: pointer;
    display: inline-block;
    margin: 2px 7px 0 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 1px #ccc;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    background: rgb(255, 255, 255);
    background: -moz-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(255, 255, 255, 1)), color-stop(47%, rgba(246, 246, 246, 1)), color-stop(100%, rgba(237, 237, 237, 1)));
    background: -webkit-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -o-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -ms-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed', GradientType=0);
    border: 1px solid #ccc;
}
.check-box i {
    background: url('css/check_mark.png') no-repeat center center;
    position: absolute;
    left: 3px;
    bottom: -15px;
    width: 16px;
    height: 16px;
    opacity: .5;
    -webkit-transition: all 400ms ease-in-out;
    -moz-transition: all 400ms ease-in-out;
    -o-transition: all 400ms ease-in-out;
    transition: all 400ms ease-in-out;
    -webkit-transform:rotateZ(-180deg);
    -moz-transform:rotateZ(-180deg);
    -o-transform:rotateZ(-180deg);
    transform:rotateZ(-180deg);
}
.checkedBox {
    -moz-box-shadow: inset 0 0 5px 1px #ccc;
    -webkit-box-shadow: inset 0 0 5px 1px #ccc;
    box-shadow: inset 0 0 5px 1px #ccc;
    border-bottom-color: #fff;
}
.checkedBox i {
    bottom: 2px;
    -webkit-transform:rotateZ(0deg);
    -moz-transform:rotateZ(0deg);
    -o-transform:rotateZ(0deg);
    transform:rotateZ(0deg);
}
/*Custom radio button*/
 .radio-btn {
    width: 20px;
    height: 20px;
    display: inline-block;
    float: left;
    margin: 3px 7px 0 0;
    cursor: pointer;
    position: relative;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
    border: 1px solid #ccc;
    box-shadow: 0 0 1px #ccc;
    background: rgb(255, 255, 255);
    background: -moz-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(255, 255, 255, 1)), color-stop(47%, rgba(246, 246, 246, 1)), color-stop(100%, rgba(237, 237, 237, 1)));
    background: -webkit-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -o-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -ms-linear-gradient(top, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed', GradientType=0);
}
.checkedRadio {
    -moz-box-shadow: inset 0 0 5px 1px #ccc;
    -webkit-box-shadow: inset 0 0 5px 1px #ccc;
    box-shadow: inset 0 0 5px 1px #ccc;
}
.radio-btn i {
    border: 1px solid #E1E2E4;
    width: 10px;
    height: 10px;
    position: absolute;
    left: 4px;
    top: 4px;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
}
.checkedRadio i {
    background-color: #898A8C;
}

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CSS3联系表单 背景透明迷人

这款CSS3联系表单的背景相当不错，而且是半透明的。

核心CSS代码：

body {
      background:#2d3b36 url(Blurry-city-lights1337.jpg)no-repeat center center fixed;
      -webkit-background-size: cover;
      -moz-background-size: cover;
      -o-background-size: cover;
      background-size: cover;
    padding-top:20px;
}

form {
    margin-left:auto;
    margin-right:auto;
    width: 343px;
    height: 333px;
    padding:30px;
    border: 1px solid rgba(0,0,0,.2);
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    background: rgba(0, 0, 0, 0.5); 
    -moz-box-shadow: 0 0 13px 3px rgba(0,0,0,.5);
    -webkit-box-shadow: 0 0 13px 3px rgba(0,0,0,.5);
    box-shadow: 0 0 13px 3px rgba(0,0,0,.5);
    overflow: hidden; 
}

textarea{
      background: rgba(255, 255, 255, 0.4) url(http://luismruiz.com/img/gemicon_message.png) no-repeat scroll 16px 16px; 
    width: 276px;
    height: 110px;
    border: 1px solid rgba(255,255,255,.6);
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box; 
    display:block;
    font-family: 'Source Sans Pro', sans-serif;
    font-size:18px;
    color:#fff;
    padding-left:45px;
    padding-right:20px;
    padding-top:12px;
    margin-bottom:20px;
    overflow:hidden;
}

input {
    width: 276px;
    height: 48px;
    border: 1px solid rgba(255,255,255,.4);
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box; 
    display:block;
    font-family: 'Source Sans Pro', sans-serif;
    font-size:18px;
    color:#fff;
    padding-left:20px;
    padding-right:20px;
    margin-bottom:20px;
}

input[type=submit] {
    cursor:pointer;
}

input.name {
      background: rgba(255, 255, 255, 0.4) url(http://luismruiz.com/img/gemicon_name.png) no-repeat scroll 16px 16px; 
      padding-left:45px;
}

input.email {
      background: rgba(255, 255, 255, 0.4) url(http://luismruiz.com/img/gemicon_email.png) no-repeat scroll 16px 20px;
      padding-left:45px;
}

input.message {
      background: rgba(255, 255, 255, 0.4) url(http://luismruiz.com/img/gemicon_message.png) no-repeat scroll 16px 16px;
      padding-left:45px;
}

::-webkit-input-placeholder {
      color: #fff;
}

:-moz-placeholder{ 
    color: #fff; 
}

::-moz-placeholder {
    color: #fff;
}

:-ms-input-placeholder {  
      color: #fff; 
}

input:focus, textarea:focus { 
      background-color: rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0 0 5px 1px rgba(255,255,255,.5);
    -webkit-box-shadow: 0 0 5px 1px rgba(255,255,255,.5);
    box-shadow: 0 0 5px 1px rgba(255,255,255,.5);
      overflow: hidden; 
}

.btn {
      width: 138px;
      height: 44px;
      -moz-border-radius: 4px;
      -webkit-border-radius: 4px;
      border-radius: 4px;
      float:right;
    border: 1px solid #253737;
    background: #416b68;
    background: -webkit-gradient(linear, left top, left bottom, from(#6da5a3), to(#416b68));
    background: -webkit-linear-gradient(top, #6da5a3, #416b68);
    background: -moz-linear-gradient(top, #6da5a3, #416b68);
    background: -ms-linear-gradient(top, #6da5a3, #416b68);
    background: -o-linear-gradient(top, #6da5a3, #416b68);
    background-image: -ms-linear-gradient(top, #6da5a3 0%, #416b68 100%);
    padding: 10.5px 21px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    -webkit-box-shadow: rgba(255,255,255,0.1) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
    -moz-box-shadow: rgba(255,255,255,0.1) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
    box-shadow: rgba(255,255,255,0.1) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
    text-shadow: #333333 0 1px 0;
    color: #e1e1e1;
}

.btn:hover {
    border: 1px solid #253737;
    text-shadow: #333333 0 1px 0;
    background: #416b68;
    background: -webkit-gradient(linear, left top, left bottom, from(#77b2b0), to(#416b68));
    background: -webkit-linear-gradient(top, #77b2b0, #416b68);
    background: -moz-linear-gradient(top, #77b2b0, #416b68);
    background: -ms-linear-gradient(top, #77b2b0, #416b68);
    background: -o-linear-gradient(top, #77b2b0, #416b68);
    background-image: -ms-linear-gradient(top, #77b2b0 0%, #416b68 100%);
    color: #fff;
 }

.btn:active {
    margin-top:1px;
    text-shadow: #333333 0 -1px 0;
    border: 1px solid #253737;
    background: #6da5a3;
    background: -webkit-gradient(linear, left top, left bottom, from(#416b68), to(#416b68));
    background: -webkit-linear-gradient(top, #416b68, #609391);
    background: -moz-linear-gradient(top, #416b68, #6da5a3);
    background: -ms-linear-gradient(top, #416b68, #6da5a3);
    background: -o-linear-gradient(top, #416b68, #6da5a3);
    background-image: -ms-linear-gradient(top, #416b68 0%, #6da5a3 100%);
    color: #fff;
    -webkit-box-shadow: rgba(255,255,255,0) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
    -moz-box-shadow: rgba(255,255,255,0) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
    box-shadow: rgba(255,255,255,0) 0 1px 0, inset rgba(255,255,255,0.7) 0 1px 0;
   }

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