CSS
语言：
CSSSCSS
确定
.container {
display: -webkit-box;
display: -webkit-flex;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-webkit-justify-content: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-webkit-align-items: center;
-ms-flex-align: center;
align-items: center;
-webkit-align-content: center;
-ms-flex-line-pack: center;
align-content: center;
height: 100vh;
}
.container .box {
height: 100px;
width: 100px;
box-shadow: 10px 10px 0px 0px rgba(0, 0, 255, 0.2), 20px 20px 0 0 rgba(0, 128, 0, 0.2), 30px 30px 0 0 rgba(128, 0, 128, 0.2);
-webkit-transition: all 1s ease;
transition: all 1s ease;
text-align: center;
font-size: 3em;
color: #fff;
line-height: 100px;
position: relative;
}
.container .box:hover {
box-shadow: 0 0 0 0 #f00;
}
.fb {
background-color: #00f;
right: 100px;
z-index: 0;
}
.fb:hover {
z-index: 1;
}
.gplus {
background: #f00;
z-index: 1;
right: 15px;
bottom: 15px;
}
.gplus:hover {
z-index: 1;
}
.gh {
background: #000;
right: 180px;
top: 20px;
z-index: -1;
}
.gh:hover {
z-index: 2;
}