HTML:
 
<div id="drive">
  <span>Google Drive</span>
  <div id="sq1"></div>
  <div id="sq2"></div>
  <div id="sq3"></div>  
</div>
 
CSS3:
 
body {
  background: #f5f5eb;
}
#drive {
  top: 20px;
  left: 50%;
  margin-left: -152px;
  position: absolute;
  width: 304px;
  height: 262px;
  -o-transition: transform 1s;
  -moz-transition: transform 1s;
  -webkit-transition: transform 1s;
  transition: transform 1s;
}
#drive:hover {
  -o-transform: rotate(360deg);
  -moz-transform: rotate(360deg);
  -webkit-transform: rotate(360deg);
  transform: rotate(360deg);
}
#sq1 {
  content: '';
  position: relative;
  background: #fcd049;
  background-image: linear-gradient(bottom, #E3AE27 7%, #FCCF49 35%);
background-image: -o-linear-gradient(bottom, #E3AE27 7%, #FCCF49 35%);
background-image: -moz-linear-gradient(bottom, #E3AE27 7%, #FCCF49 35%);
background-image: -webkit-linear-gradient(bottom, #E3AE27 7%, #FCCF49 35%);
background-image: -ms-linear-gradient(bottom, #E3AE27 7%, #FCCF49 35%);
  width: 100px;
  height: 177px;
  -o-transform: translate(153px) skewx(30deg);
  -moz-transform: translate(153px) skewx(30deg);
  -webkit-transform: translate(153px) skewx(30deg);
  transform: translate(153px) skewx(30deg);
}
#sq2 {
  position: relative;
  top: 0px;
  right: -72px;
  background: #3f82f7;
  background-image: linear-gradient(left , #0048E4 7%, #3F82F7 35%);
background-image: -o-linear-gradient(left , #0048E4 7%, #3F82F7 35%);
background-image: -moz-linear-gradient(left , #0048E4 7%, #3F82F7 35%);
background-image: -webkit-linear-gradient(left , #0048E4 7%, #3F82F7 35%);
background-image: -ms-linear-gradient(left , #0048E4 7%, #3F82F7 35%);
  width: 207px;
  height: 85px;
  -o-transform: skewx(-30deg);
  -moz-transform: skewx(-30deg);
  -webkit-transform: skewx(-30deg);
  transform: skewx(-30deg);
}
#sq3 {
  position: absolute;
  top: 28px;
  left: 33px;
  background: #2eb572;
  background-image: linear-gradient(top, #018D47 7%, #2EB572 35%);
background-image: -o-linear-gradient(top, #018D47 7%, #2EB572 35%);
background-image: -moz-linear-gradient(top, #018D47 7%, #2EB572 35%);
background-image: -webkit-linear-gradient(top, #018D47 7%, #2EB572 35%);
background-image: -ms-linear-gradient(top, #018D47 7%, #2EB572 35%);
  width: 84px;
  height: 207px;
  -o-transform: rotate(30deg) skewy(30deg);
  -moz-transform: rotate(30deg) skewy(30deg);
  -webkit-transform: rotate(30deg) skewy(30deg);
  transform: rotate(30deg) skewy(30deg);
}
#drive span {
  display: block;
  text-align: center;
  width: 100%;
  font-family: verdana;
  text-shadow: 0 1px #FFF;
  letter-spacing: -.08em;
  font-size: 24px;
  color: #a7a8a3;
  position: absolute;
  bottom: -50px;
}
 
效果:
 
CSS3绘制GOOGLE DRIVE LOGO.jpg