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CSS

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HTML

              
                <div id="wrapper">
		<div class="anvelopebg"></div>
		<div class="anvelope"></div>	
		<div class="opener"></div>
		<div class="letter"></div>
	</div>
		
		<span><a href="http://dribbble.com/shots/1019751-Flat-Icons" target="_blank">Design by Radoslaw Rzepecki</a></span>
              
            
!

CSS

              
                *{
	margin: 0;
	padding: 0;
}

body{
	background-color: #1a7b5b;
	overflow: auto;
}
#wrapper{
	width: 70px;
	height: 80px;
	margin: 150px auto;

	-webkit-perspective: 200;
	-webkit-perspective-origin: 50% 0;
		
	-moz-perspective: 200;
	-moz-perspective-origin: 50% 0;
}
.anvelopebg{
	width: 70px;
	height: 40px;
	background-color: #e9b004;
	position: absolute;
	margin-bottom: 0;
	z-index: 3;
}
.anvelope{
	width: 0px;
	height: 0px;
	position: relative;

	margin-bottom: 0;
	border-left: 35px #ffc000 solid;
	border-bottom: 20px #ffcc00 solid;
	border-right: 35px #ffcc00 solid;
	border-top: 20px rgba(0,0,0,0) solid;

	box-shadow: 0px 4px 0px 0px rgba(24,116,86,1);
	-webkit-box-shadow: 0px 4px 0px 0px rgba(24,116,86,1);
	z-index: 4;
	
}



.letter{
	width: 54px;
	height: 44px;
	background-color: #fff;
	position: relative;
	top:-95px;
	left: 8px;
	z-index: 3;

}
.letter:after{
	content: "";
	position: absolute;
	width: 32px;
	height: 6px;
	background-color: #9bbeb2;
	top:6px;
	left: 6px;
}
.letter:before{
	content: "";
	position: absolute;
	width: 21px;
	height: 6px;
	background-color: #9bbeb2;
	top:15px;
	left: 6px;
}




.opener{
	position: relative;
	width: 0;
	height: 0;
	border-left: 35px rgba(0,0,0,0) solid;
	border-bottom: 31px #e9b004 solid;
	border-right: 35px rgba(0,0,0,0) solid;
	top: -71px;
	z-index: 2;
	transform-origin:0 100%;
	-ms-transform-origin:0 100%; /* IE 9 */
	-webkit-transform-origin:0 100%; /* Safari and Chrome */
}




@keyframes letteranim
{
	0%{top:-95px;}
	50%{top:-71px;}
	100%{top:-71px;}
}

@-webkit-keyframes letteranim
{
	0%{top:-95px;}
	50%{top:-71px;}
	100%{top:-71px;}
}




@keyframes openanim
{
	0%{-webkit-transform: rotateX(0deg);}
	50%{-webkit-transform: rotateX(0deg);z-index :2;}
	100%{-webkit-transform: rotateX(180deg);z-index :5;}
}

@-webkit-keyframes openanim
{
	0%{-webkit-transform: rotateX(0deg);}
	50%{-webkit-transform: rotateX(0deg);z-index :2;}
	100%{-webkit-transform: rotateX(180deg);z-index :5;}
}







#wrapper:hover .letter{
	animation: letteranim 1s ease-out 0s 2 alternate;
	-webkit-animation: letteranim 1s ease-out 0s 2 alternate; /* Safari and Chrome */
}


#wrapper:hover .opener{
	animation: openanim 1s ease-out 0s 2 alternate;
	-webkit-animation: openanim 1s ease-out 0s 2 alternate; /* Safari and Chrome */
}




span a {
	position: absolute;
	bottom: 20px;
	right: 20px;
	font-size: 11px;
	font-family: Georgia, serif;
	font-style: italic;
	text-decoration: none;
	color: #273038;
	border-bottom: 1px solid transparent;
}
	
span a:hover {
	border-bottom: 1px dotted;
}
              
            
!

JS

              
                
              
            
!
999px

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