CSS3——阴影

 

例A显示了一层阴影，偏移量的左侧和顶部各5px:

#Example_A {
-moz-box-shadow: -5px -5px #888;
-webkit-box-shadow: -5px -5px #888;
box-shadow: -5px -5px #888;
}  

例B显示了5px模糊距离相同的阴影:

#Example_B {
-moz-box-shadow: -5px -5px 5px #888;
-webkit-box-shadow: -5px -5px 5px #888;
box-shadow: -5px -5px 5px #888;
}

例C显示了传播的5px距离相同的阴影:

#Example_C {
-moz-box-shadow: -5px -5px 0 5px #888;
-webkit-box-shadow: -5px -5px 0 5px#888;
box-shadow: -5px -5px 0 5px #888;
}

例D显示了相同的影子，既具有模糊5px距离和传播距离的5px:

#Example_D {
-moz-box-shadow: -5px -5px 5px 5px #888;
-webkit-box-shadow: -5px -5px 5px 5px#888;
box-shadow: -5px -5px 5px 5px #888;
}

例E显示了无偏移的阴影的模糊距离5px:

#Example_E {
-moz-box-shadow: 0 0 5px #888;
-webkit-box-shadow: 0 0 5px#888;
box-shadow: 0 0 5px #888;
}

例F显示了一个没有偏移的阴影和模糊的5px距离和传播距离的5px:

#Example_F {
-moz-box-shadow: 0 0 5px 5px #888;
-webkit-box-shadow: 0 0 5px 5px#888;
box-shadow: 0 0 5px 5px #888;
}

Example G shows an inner shadow offset to the left and top by 5px:

#Example_G {
-moz-box-shadow: inset -5px -5px #888;
-webkit-box-shadow: inset -5px -5px #888;
box-shadow: inset -5px -5px #888;
}

Example H shows the same inner shadow with a blur distance of 5px:

#Example_H {
-moz-box-shadow: inset -5px -5px 5px #888;
-webkit-box-shadow: inset -5px -5px 5px #888;
box-shadow: inset -5px -5px 5px #888;
}

Example I shows the same inner shadow with a spread distance of 5px:

#Example_I {
-moz-box-shadow: inset -5px -5px 0 5px #888;
-webkit-box-shadow: inset -5px -5px 0 5px#888;
box-shadow: inset -5px -5px 0 5px #888;
}

Example J shows the same inner shadow with both a blur distance of 5px and a spread distance of 5px:

#Example_J {
-moz-box-shadow: inset -5px -5px 5px 5px #888;
-webkit-box-shadow: inset -5px -5px 5px 5px#888;
box-shadow: inset -5px -5px 5px 5px #888;
}

Example K shows an inner shadow with no offset and a blur distance of 5px:

#Example_K {
-moz-box-shadow: inset 0 0 5px #888;
-webkit-box-shadow: inset 0 0 5px#888;
box-shadow: inner 0 0 5px #888;
}

Example L shows an inner shadow with no offset and both a blur distance of 5px and a spread distance of 5px:

#Example_L {
-moz-box-shadow: inset 0 0 5px 5px #888;
-webkit-box-shadow: inset 0 0 5px 5px#888;
box-shadow: inset 0 0 5px 5px #888;
}

Example M shows five shadows specified in the following order; firstly a black shadow with a spread distance of px and a blur distance of px, secondly a lime shadow offset to the top right, thirdly a red shadow offset to the bottom right with a blur distance applied, fourthly a yellow shadow offset to the bottom left, and lastly a blue shadow offset to the top left with a blur distance applied:

#Example_M {
-moz-box-shadow: 0 0 10px 5px black, 40px -30px lime, 40px 30px 50px red, -40px 30px yellow, -40px -30px 50px blue;
-webkit-box-shadow: 0 0 10px 5px black, 40px -30px lime, 40px 30px 50px red, -40px 30px yellow, -40px -30px 50px blue;
box-shadow: 0 0 10px 5px black, 40px -30px lime, 40px 30px 50px red, -40px 30px yellow, -40px -30px 50px blue;
}

Example N shows a black shadow, specified using standard RGB color, offset to the right and bottom by 5px:

#Example_N {
-moz-box-shadow: 5px 5px rgb(0,0,0);
-webkit-box-shadow: 5px 5px rgb(0,0,0);
box-shadow: 5px 5px rgb(0,0,0);
}

Example O shows the same shadow, this time with the color black specified using RGBa color with an opacity of 70%:

#Example_O {
-moz-box-shadow: 5px 5px rgba(0,0,0,0.7);
-webkit-box-shadow: 5px 5px rgba(0,0,0,0.7);
box-shadow: 5px 5px rgba(0,0,0,0.7);
}

Example P shows the same shadow, this time with the color black specified using RGBa color with an opacity of 50%:

#Example_P {
-moz-box-shadow: 5px 5px rgba(0,0,0,0.5);
-webkit-box-shadow: 5px 5px rgba(0,0,0,0.5);
box-shadow: 5px 5px rgba(0,0,0,0.5);
}   

Example Q shows a shadow offset to the bottom and right by 5px, with a border-radius of 5px applied to each corner:

#Example_Q {
-moz-border-radius: 5px;
border-radius: 5px;
-moz-box-shadow: 5px 5px black;
-webkit-box-shadow: 5px 5px black;
box-shadow: 5px 5px black;
}

Example R shows the same shadow with a blur distance of 5px:

#Example_R {
-moz-border-radius: 5px;
border-radius: 5px;
-moz-box-shadow: 5px 5px 5px black;
-webkit-box-shadow: 5px 5px 5px black;
box-shadow: 5px 5px 5px black;
}