CSS3 Shapes

#circle { 
   width: 140px;
   height: 140px;
   background: red; 
   -moz-border-radius: 70px; 
   -webkit-border-radius: 70px; 
   border-radius: 70px;
}

#square {
   width: 140px; 
   height: 140px; 
   background: blue; 
}

#oval {
   width: 200px; 
   height: 100px; 
   background: purple; 
   -moz-border-radius: 100px / 50px; 
   -webkit-border-radius: 100px / 50px; 
   border-radius: 100px / 50px;
}

#up-triangle {
   width: 0; 
   height: 0; 
   border-bottom: 120px solid green; 
   border-left: 60px solid transparent; 
   border-right: 60px solid transparent; 
}

#down-triangle { 
   width: 0; 
   height: 0;
   border-top: 80px solid pink;
   border-left: 60px solid transparent; 
   border-right: 60px solid transparent; 
}

 

#left-triangle {
   width: 0;
   height: 0;
   border-right: 100px solid orange;
   border-top: 50px solid transparent;
   border-bottom: 50px solid transparent;
}

#right-triangle {
   width: 0;
   height: 0;
   border-left: 100px solid red;
   border-top: 50px solid transparent;
   border-bottom: 50px solid transparent;
}

#trapezium {
   height: 0; 
   width: 80px;
   border-bottom: 80px solid blue;
   border-left: 40px solid transparent;
   border-right: 40px solid transparent;
}

#diamond {
   width: 80px; 
   height: 80px; 
   background: purple;
   margin: 3px 0 0 30px;
   /* Rotate */
   -webkit-transform: rotate(-45deg);
   -moz-transform: rotate(-45deg);
   -ms-transform: rotate(-45deg);
   -o-transform: rotate(-45deg);
   transform: rotate(-45deg);
   /* Rotate Origin */
   -webkit-transform-origin: 0 100%;
   -moz-transform-origin: 0 100%;
   -ms-transform-origin: 0 100%;
   -o-transform-origin: 0 100%;
   transform-origin: 0 100%;
}

#rectangle {
   width: 140px; 
   height: 80px;
   background: green;
}

#parallelogram {
   width: 130px; 
   height: 75px;
   background: pink;
   /* Skew */
   -webkit-transform: skew(20deg); 
   -moz-transform: skew(20deg); 
   -o-transform: skew(20deg);
   transform: skew(20deg);
}

#twelve-point-star {
   height: 100px;
   width: 100px;
   background: orange;
   position: absolute;
}
#twelve-point-star:before {
   height: 100px;
   width: 100px;
   background: orange;
   content:"";
   position: absolute;
   /* Rotate */
   -moz-transform: rotate(30deg);
   -webkit-transform: rotate(30deg);
   -ms-transform: rotate(30deg);
   -o-transform: rotate(30deg);
   transform: rotate(30deg);
}
#twelve-point-star:after {
   height: 100px;
   width: 100px;
   background: orange;
   content:"";
   position: absolute;
   /* Rotate */
   -moz-transform: rotate(-30deg);
   -webkit-transform: rotate(-30deg);
   -ms-transform: rotate(-30deg);
   -o-transform: rotate(-30deg);
   transform: rotate(-30deg);
}

#six-point-star {
   position: absolute;
   width: 0; 
   height: 0; 
   border-left: 50px solid transparent; 
   border-right: 50px solid transparent; 
   border-bottom: 80px solid red;
}
#six-point-star:after {
   content:"";
   position: absolute;
   width: 0; 
   height: 0; 
   border-left: 50px solid transparent; 
   border-right: 50px solid transparent; 
   border-top: 80px solid red;
   margin: 30px 0 0 -50px;
}

#octagon {
   width: 100px; 
   height: 100px; 
   background: blue;
}
#octagon:before {
   height: 0;
   width: 40px;
   content:"";
   position: absolute; 
   border-bottom: 30px solid blue;
   border-left: 30px solid white; 
   border-right: 30px solid white; 
}
#octagon:after {
   height: 0;
   width: 40px;
   content:"";
   position: absolute; 
   border-top: 30px solid blue; 
   border-left: 30px solid white;  
   border-right: 30px solid white; 
   margin: 70px 0 0 0;
}

#speech-bubble {
   width: 120px; 
   height: 80px; 
   background: purple;
   position: absolute;
   -moz-border-radius: 10px; 
   -webkit-border-radius: 10px; 
   border-radius: 10px;
}
#speech-bubble:before {
   content:"";
   position: absolute;
   width: 0;
   height: 0;
   border-top: 13px solid transparent;
   border-right: 26px solid purple;
   border-bottom: 13px solid transparent;
   margin: 13px 0 0 -25px;
}

#egg {
   display:block;
   width:126px; 
/* width has to be 70% of height */
/* could use width:70%; in a square container */
   height:180px;
   background-color:green;

/* beware that Safari needs actual
 px for border radius (bug) */
   -webkit-border-radius:63px 63px 63px 63px/
   108px 108px 72px 72px;
   /* fails in Safari, but overwrites in Chrome */
   border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
}

#eq-triangle {
  width: 0;
  height: 0;
  border-bottom: 104px solid navy;
  /* 104 = 120 * 0.866 */
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
}

.pacman {
  width: 0px;
  height: 0px;
  border-right: 60px solid transparent;
  border-top: 60px solid yellow;
  border-left: 60px solid yellow;
  border-bottom: 60px solid yellow;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  border-bottom-left-radius: 60px;
  border-bottom-right-radius: 60px;
}

.biohazard {
  width: 0;
  height: 0;
  border-bottom: 60px solid black;
  border-top: 60px solid black;
  border-left: 60px solid yellow;
  border-right: 60px solid yellow;
  -moz-border-radius: 60px; 
  -webkit-border-radius: 60px; 
  border-radius: 60px;
}

#heart { 
 position: relative;
}
#heart:before, #heart:after {
 position: absolute;
  content: "";
 left: 70px; top: 0;
 width: 70px;
 height: 115px;
 background: red;
 -moz-border-radius: 50px 50px 0 0;
 border-radius: 50px 50px 0 0;
 -webkit-transform: rotate(-45deg);
 -moz-transform: rotate(-45deg);
 -ms-transform: rotate(-45deg);
 -o-transform: rotate(-45deg);
 transform: rotate(-45deg);
 -webkit-transform-origin: 0 100%;
 -moz-transform-origin: 0 100%;
 -ms-transform-origin: 0 100%;
 -o-transform-origin: 0 100%;
 transform-origin: 0 100%;
}
#heart:after { 
 left: 0; 
 -webkit-transform: rotate(45deg); 
 -moz-transform: rotate(45deg); 
 -ms-transform: rotate(45deg); 
 -o-transform: rotate(45deg);
 transform: rotate(45deg);
 -webkit-transform-origin: 100% 100%;
 -moz-transform-origin: 100% 100%;
 -ms-transform-origin: 100% 100%;
 -o-transform-origin: 100% 100%;
 transform-origin :100% 100%;
}