CSS3 Instagram Button - Snippet

Preview
HTML
CSS
JS

<div id="v2"><p>Sign in with Instagram</p></div>
<div id="v2">
	<span><p>INST</p></span>
	<p>Sign in with Instagram</p>
</div>

body {
    font-family: 'Helvetica Neue', Helvetica;
    font-size: 12px;
    background: url(https://img94.imageshack.us/img94/3664/capturedcran20120613182.png);
}
p {
    margin: 0;
    padding: 0px;
    padding-left: 20px;
}
div {
    box-shadow: 0 0 1px #000;
    width: 195px;
    height: 16px;
    margin: 30px auto;
    background: rgb(244,246,245);
    background: -moz-linear-gradient(top, rgba(244,246,245,1) 1%, rgba(237,231,220,1) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(1%,rgba(244,246,245,1)), color-stop(100%,rgba(237,231,220,1)));
    background: -webkit-linear-gradient(top, rgba(244,246,245,1) 1%,rgba(237,231,220,1) 100%);
    background: -o-linear-gradient(top, rgba(244,246,245,1) 1%,rgba(237,231,220,1) 100%);
    background: -ms-linear-gradient(top, rgba(244,246,245,1) 1%,rgba(237,231,220,1) 100%);
    background: linear-gradient(top, rgba(244,246,245,1) 1%,rgba(237,231,220,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4f6f5', endColorstr='#ede7dc',GradientType=0 );
    padding: 10px 0px;
    color: #433527;
    font-weight: bold;
    text-shadow: 0 1px 0 #fff;
    text-align: center;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    box-shadow: 0 0 1px rgba(0,0,0,1);
}
span {
    background: #433527;
    color: rgba(237,231,220,1);
    font-size: 7px;
    font-weight: lighter;
    text-shadow: 0 0 transparent;
    padding: 2px 3px;
    border-radius: 35px;
    height: 5px;
    position: absolute;
    margin-left: 5px;
    margin-top: 3px;
    box-shadow: inset 0 0 3px #000;
}
span p {
    margin: 0;
    padding: 0;
    margin-top: -2px;
}
div:before {
    width: 30px;
    height: 36px;
    display: block;
    content: '';
    position: absolute;
    margin-top: -10px;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    background: rgb(255,43,43);
    background: -moz-linear-gradient(left, rgba(255,43,43,1) 0%, rgba(255,43,43,1) 25%, rgba(243,255,15,1) 26%, rgba(255,255,30,1) 50%, rgba(67,232,108,1) 51%, rgba(48,209,101,1) 75%, rgba(54,163,193,1) 76%, rgba(85,171,195,1) 100%, rgba(237,237,237,1) 100%);
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(255,43,43,1)), color-stop(25%,rgba(255,43,43,1)), color-stop(26%,rgba(243,255,15,1)), color-stop(50%,rgba(255,255,30,1)), color-stop(51%,rgba(67,232,108,1)), color-stop(75%,rgba(48,209,101,1)), color-stop(76%,rgba(54,163,193,1)), color-stop(100%,rgba(85,171,195,1)), color-stop(100%,rgba(237,237,237,1)));
    background: -webkit-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: -o-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: -ms-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ff2b2b', endColorstr='#ededed',GradientType=1 );
}
div:after {
    width: 195px;
    height: 36px;
    display: block;
    content: '';
    position: absolute;
    margin-top: -25px;
    border-radius: 5px;
    background: rgba(255,255,255,.2);
    background: -moz-linear-gradient(top, rgba(255,255,255,.2) 0%, rgba(15,15,15,.2) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,1)), color-stop(100%,rgba(15,15,15,1)));
    background: -webkit-linear-gradient(top, rgba(255,255,255,.0) 0%, rgba(15,15,15,.3) 100%);
    background: -o-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(15,15,15,1) 100%);
    background: -ms-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(15,15,15,1) 100%);
    background: linear-gradient(top, rgba(255,255,255,1) 0%,rgba(15,15,15,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#0f0f0f',GradientType=0 );
}
div:nth-child(2):before {
    width: 15px;
    height: 18px;
    display: block;
    content: '';
    position: absolute;
    margin-top: -11px;
    border-radius: 0;
    border-top-left-radius: 2px;
    border-top-right-radius: 2px;
    margin-left: 9px;
    margin-bottom: 10px;
    background: rgb(255,43,43);
    background: -moz-linear-gradient(left, rgba(255,43,43,1) 0%, rgba(255,43,43,1) 25%, rgba(243,255,15,1) 26%, rgba(255,255,30,1) 50%, rgba(67,232,108,1) 51%, rgba(48,209,101,1) 75%, rgba(54,163,193,1) 76%, rgba(85,171,195,1) 100%, rgba(237,237,237,1) 100%);
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(255,43,43,1)), color-stop(25%,rgba(255,43,43,1)), color-stop(26%,rgba(243,255,15,1)), color-stop(50%,rgba(255,255,30,1)), color-stop(51%,rgba(67,232,108,1)), color-stop(75%,rgba(48,209,101,1)), color-stop(76%,rgba(54,163,193,1)), color-stop(100%,rgba(85,171,195,1)), color-stop(100%,rgba(237,237,237,1)));
    background: -webkit-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: -o-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: -ms-linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    background: linear-gradient(left, rgba(255,43,43,1) 0%,rgba(255,43,43,1) 25%,rgba(243,255,15,1) 26%,rgba(255,255,30,1) 50%,rgba(67,232,108,1) 51%,rgba(48,209,101,1) 75%,rgba(54,163,193,1) 76%,rgba(85,171,195,1) 100%,rgba(237,237,237,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ff2b2b', endColorstr='#ededed',GradientType=1 );
}