CSS: Button Warna-warni

CSS:
===========================
body { text-align: center; padding: 40px; background: #F5F5F5; }
.container { width: 500px; text-align: center; margin: auto;}
.copyright { margin-top: 50px; font-size: 12px; text-transform: uppercase; }
.copyright a { text-decoration: none; padding: 5px;background: #c0392b; color: #FFFFFF; }
.copyright a:hover { background: transparent; color: #c0392b; }

.button {
  display: inline-block;
  height: 50px;
  line-height: 50px;
  padding-right: 30px;
  padding-left: 70px;
  position: relative;
  background-color:rgb(41,127,184);
  color:rgb(255,255,255);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;


  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  text-shadow:0px 1px 0px rgba(0,0,0,0.5);
-ms-filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=1,Color=#ff123852,Positive=true)";zoom:1;
filter:progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=1,Color=#ff123852,Positive=true);

  -moz-box-shadow:0px 2px 2px rgba(0,0,0,0.2);
  -webkit-box-shadow:0px 2px 2px rgba(0,0,0,0.2);
  box-shadow:0px 2px 2px rgba(0,0,0,0.2);
  -ms-filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=2,Color=#33000000,Positive=true)";
filter:progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=2,Color=#33000000,Positive=true);
}

.button span {
  position: absolute;
  left: 0;
  width: 50px;
  background-color:rgba(0,0,0,0.5);

  -webkit-border-top-left-radius: 5px;
-webkit-border-bottom-left-radius: 5px;
-moz-border-radius-topleft: 5px;
-moz-border-radius-bottomleft: 5px;
border-top-left-radius: 5px;
border-bottom-left-radius: 5px;
border-right: 1px solid  rgba(0,0,0,0.15);
}

.button:hover span, .button.active span {
  background-color:rgb(0,102,26);
  border-right: 1px solid  rgba(0,0,0,0.3);
}

.button:active {
  margin-top: 2px;
  margin-bottom: 13px;

  -moz-box-shadow:0px 1px 0px rgba(255,255,255,0.5);
-webkit-box-shadow:0px 1px 0px rgba(255,255,255,0.5);
box-shadow:0px 1px 0px rgba(255,255,255,0.5);
-ms-filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=1,Color=#ccffffff,Positive=true)";
filter:progid:DXImageTransform.Microsoft.dropshadow(OffX=0,OffY=1,Color=#ccffffff,Positive=true);
}

.button.orange {
  background: #FF7F00;
}

.button.purple {
  background: #8e44ad;
}

.button.turquoise {
  background: #1abc9c;
}

.button.red {
  background: #e74c3c;
}

HTML:
=============
<div class="container">
<a href="#" class="button"><span>✓</span>Look I'm a button</a>
<a href="#" class="button orange active"><span>✓</span>Look I'm a Active Button</a>
<a href="#" class="button purple"><span>✓</span>Look I'm a button</a>
<a href="#" class="button turquoise"><span>✓</span>Look I'm a button</a>
<a href="#" class="button red"><span>✓</span>Look I'm a button</a>
</div>

<div class="copyright">
  Created by <a href="http://www.fwpolice.com">The Fireworks Police</a>
</div>

Sumber:
http://cssdeck.com/labs/buttoninity