<div class="buttonHolder">
  <a href="#" class="button tick"></a>
  <a href="#" class="button cross"></a>
  <a href="#" class="button heart"></a>
  <a href="#" class="button flower"></a>
</div>
html, body{
  min-height:100%;
}

body{
  		background-image: -webkit-linear-gradient(top, #edecec, #cecbc9);
			background-image: linear-gradient(top, #edecec, #cecbc9);
}

.buttonHolder{
  margin:80px auto;
  width:400px;
}


		.button{
			background-image: -webkit-linear-gradient(top, #f4f1ee, #fff);
			background-image: linear-gradient(top, #f4f1ee, #fff);
			border-radius: 50%;
			box-shadow: 0px 8px 10px 0px rgba(0, 0, 0, .3), inset 0px 4px 1px 1px white, inset 0px -3px 1px 1px rgba(204,198,197,.5);
			float:left;
			height: 70px;
			margin: 0 30px 30px 0;
			position: relative;
			width: 70px;			
			-webkit-transition: all .1s linear;
			transition: all .1s linear;
		}

		.button:after{
			color:#e9e6e4;
			content: "";
			display: block;
			font-size: 30px;
			height: 30px;
			text-decoration: none;
			text-shadow: 0px -1px 1px #bdb5b4, 1px 1px 1px white;
			position: absolute;
			width: 30px;
		}


		.heart:after{
			content: "❤";
			left: 21px;
			top: 16px;
		}

		.flower:after{
			content: "✿";
			left: 23px;
			top: 14px;
		}

		.tick:after{
			content: "✔";
			left:23px;
			top:16px;
		}

		.cross:after{
			content: "✖";
			left: 24px;
			top: 15px;
		}

		.button:hover{
			background-image: -webkit-linear-gradient(top, #fff, #f4f1ee);
			background-image: linear-gradient(top, #fff, #f4f1ee);
			color:#0088cc;
		}

		.heart:hover:after{
			color:#f94e66;
			text-shadow:0px 0px 6px #f94e66;
		}

		.flower:hover:after{
			color:#f99e4e;
			text-shadow:0px 0px 6px #f99e4e;
		}

		.tick:hover:after{
			color:#83d244;
			text-shadow:0px 0px 6px #83d244;
		}

		.cross:hover:after{
			color:#eb2f2f;
			text-shadow:0px 0px 6px #eb2f2f;
		}

		

		.button:active{
			background-image: -webkit-linear-gradient(top, #efedec, #f7f4f4);
			background-image: linear-gradient(top, #efedec, #f7f4f4);
			box-shadow: 0 3px 5px 0 rgba(0,0,0,.4), inset 0px -3px 1px 1px rgba(204,198,197,.5);
		}

		.button:active:after{
			color:#dbd2d2;
			text-shadow: 0px -1px 1px #bdb5b4, 0px 1px 1px white;
		}
/*
  
  Testing CSS3 properties
  Reference : http://dribbble.com/shots/712038-Button
  
*/

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js