Css circle, triangle, elliptical, arrow icon

Since the release of css3, its functions have become very powerful. Many icons that require images have been used in the past. Now, only a few pieces of css code are required. The following are circles, ovans, triangles, and arrow icons created by css. Circle:

.yuan{    width:100px;    height:100px;    -moz-border-radius:50%;     -webkit-border-radius:50%;     border-radius:50%;     background-color:red;}

Elliptic

.oval {     width: 200px;     height: 100px;     background-color: red;     -moz-border-radius: 100px / 50px;     -webkit-border-radius: 100px / 50px;     border-radius: 100px / 50px; }

Arrow:

.arrow{    content: '';    position: absolute;    width: 30px;    height: 30px;    border: 10px solid #f5b24a;    -webkit-transform: rotate(-135deg);    -moz-transform: rotate(-135deg);    -o-transform: rotate(-135deg);    -ms-transform: rotate(-135deg);    transform: rotate(-135deg);    border-top: none;    border-right: none;    top: 9px;}

Triangle:

.rencentle {    width: 0;    height: 0;    border-left: 50px solid transparent;    border-right: 50px solid transparent;    border-bottom: 100px solid red;}