$blue: #1e82d0;
$bc: #e4e4e4;
$fc:#fff;
// 背景图片地址和大小
@mixin bis($url) {
background-image: url($url);
background-repeat: no-repeat;
background-size: 100% 100%;
}
@mixin borderRadius($radius) {
-webkit-border-radius: $radius;
-moz-border-radius: $radius;
-ms-border-radius: $radius;
-o-border-radius: $radius;
border-radius: $radius;
}
//定位全屏
@mixin allcover{
position:absolute;
top:0;
right:0;
}
//定位上下左右居中
@mixin center {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
//定位上下居中
@mixin ct {
position: absolute;
top: 50%;
transform: translateY(-50%);
}
//定位左右居中
@mixin cl {
position: absolute;
left: 50%;
transform: translateX(-50%);
}
//宽高
@mixin wh($width, $height){
$width;
height: $height;
}
//字体大小、行高、字体
@mixin font($size, $line-height, $family: 'Microsoft YaHei') {
font: #{$size}/#{$line-height} $family;
}
//字体大小，颜色
@mixin sc($size, $color){
font-size: $size;
color: $color;
}
//flex 布局和 子元素 对其方式
@mixin fj($type: space-between){
display: flex;
justify-content: $type;
}
$baseFontSize: 75;//默认基准font-size
@mixin px2rem($name, $px){
#{$name}: $px / $baseFontSize * 1rem;
}
1.变量
$bg-color: red;
.div { color: $bg-color }
2.嵌套
.content {
a {
}
}
3.混合器
@mixin
@mixin px2rem($name, $px){
#{$name}: $px / $baseFontSize * 1rem;
}
4.继承
@extend
//通过选择器继承继承样式
.error { border: 1px solid red; background-color: #fdd; }
.seriousError { @extend .error; border- 3px; }