Pure CSS3 Buttons

                                          .button {
    cursor: pointer;
    display: inline-block;
    font: 14px/100% Arial, Helvetica, sans-serif;
    outline: none;
    padding: .5em 2em .55em;
    text-align: center;
    text-decoration: none;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .3);
    -webkit-border-radius: .5em;
    -moz-border-radius: .5em;
    border-radius: .5em;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
    -moz-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
}
.button:hover {
    text-decoration: none;
}
.button:active {
    position: relative;
    top: 1px;
}
 .bigrounded {
    -webkit-border-radius: 2em;
    -moz-border-radius: 2em;
    border-radius: 2em;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
}
.medium {
    font-size: 12px;
    padding: .4em 1.5em .42em;
}
.small {
    font-size: 11px;
    padding: .2em 1em .275em;
}
 .black {
    background: #333;
    background: -webkit-gradient(linear, left top, left bottom, from(#666), to(#000));
    background: -moz-linear-gradient(top, #666, #000);
    border: solid 1px #333;
    color: #d7d7d7;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#666666', endColorstr='#000000');
}
.black:hover {
    background: #000;
    background: -webkit-gradient(linear, left top, left bottom, from(#444), to(#000));
    background: -moz-linear-gradient(top, #444, #000);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#444444', endColorstr='#000000');
}
.black:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#000), to(#444));
    background: -moz-linear-gradient(top, #000, #444);
    color: #666;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#000000', endColorstr='#666666');
}
 .blue {
    background: #0095cd;
    background: -webkit-gradient(linear, left top, left bottom, from(#00adee), to(#0078a5));
    background: -moz-linear-gradient(top, #00adee, #0078a5);
    border: solid 1px #0076a3;
    color: #d9eef7;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00adee', endColorstr='#0078a5');
}
.blue:hover {
    background: #007ead;
    background: -webkit-gradient(linear, left top, left bottom, from(#0095cc), to(#00678e));
    background: -moz-linear-gradient(top, #0095cc, #00678e);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0095cc', endColorstr='#00678e');
}
.blue:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#0078a5), to(#00adee));
    background: -moz-linear-gradient(top, #0078a5, #00adee);
    color: #80bed6;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0078a5', endColorstr='#00adee');
}
 .gray {
    background: #6e6e6e;
    background: -webkit-gradient(linear, left top, left bottom, from(#888), to(#575757));
    background: -moz-linear-gradient(top, #888, #575757);
    border: solid 1px #555;
    color: #e9e9e9;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#888888', endColorstr='#575757');
}
.gray:hover {
    background: #616161;
    background: -webkit-gradient(linear, left top, left bottom, from(#757575), to(#4b4b4b));
    background: -moz-linear-gradient(top, #757575, #4b4b4b);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#757575', endColorstr='#4b4b4b');
}
.gray:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#575757), to(#888));
    background: -moz-linear-gradient(top, #575757, #888);
    color: #afafaf;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#575757', endColorstr='#888888');
}
 .green {
    background: #64991e;
    background: -webkit-gradient(linear, left top, left bottom, from(#7db72f), to(#4e7d0e));
    background: -moz-linear-gradient(top, #7db72f, #4e7d0e);
    border: solid 1px #538312;
    color: #e8f0de;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#7db72f', endColorstr='#4e7d0e');
}
.green:hover {
    background: #538018;
    background: -webkit-gradient(linear, left top, left bottom, from(#6b9d28), to(#436b0c));
    background: -moz-linear-gradient(top, #6b9d28, #436b0c);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#6b9d28', endColorstr='#436b0c');
}
.green:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#4e7d0e), to(#7db72f));
    background: -moz-linear-gradient(top, #4e7d0e, #7db72f);
    color: #a9c08c;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#4e7d0e', endColorstr='#7db72f');
}
 .orange {
    background: #f78d1d;
    background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));
    background: -moz-linear-gradient(top, #faa51a, #f47a20);
    border: solid 1px #da7c0c;
    color: #fef4e9;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}
.orange:hover {
    background: #f47c20;
    background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));
    background: -moz-linear-gradient(top, #f88e11, #f06015);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');
}
.orange:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));
    background: -moz-linear-gradient(top, #f47a20, #faa51a);
    color: #fcd3a5;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');
}
 .pink {
    background: #f895c2;
    background: -webkit-gradient(linear, left top, left bottom, from(#feb1d3), to(#f171ab));
    background: -moz-linear-gradient(top, #feb1d3, #f171ab);
    border: solid 1px #d2729e;
    color: #feeef5;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#feb1d3', endColorstr='#f171ab');
}
.pink:hover {
    background: #d57ea5;
    background: -webkit-gradient(linear, left top, left bottom, from(#f4aacb), to(#e86ca4));
    background: -moz-linear-gradient(top, #f4aacb, #e86ca4);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f4aacb', endColorstr='#e86ca4');
}
.pink:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#f171ab), to(#feb1d3));
    background: -moz-linear-gradient(top, #f171ab, #feb1d3);
    color: #f3c3d9;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f171ab', endColorstr='#feb1d3');
}
 .red {
    background: #d81b21;
    background: -webkit-gradient(linear, left top, left bottom, from(#ed1c24), to(#aa1317));
    background: -moz-linear-gradient(top, #ed1c24, #aa1317);
    border: solid 1px #980c10;
    color: #faddde;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ed1c24', endColorstr='#aa1317');
}
.red:hover {
    background: #b61318;
    background: -webkit-gradient(linear, left top, left bottom, from(#c9151b), to(#a11115));
    background: -moz-linear-gradient(top, #c9151b, #a11115);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#c9151b', endColorstr='#a11115');
}
.red:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#aa1317), to(#ed1c24));
    background: -moz-linear-gradient(top, #aa1317, #ed1c24);
    color: #de898c;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#aa1317', endColorstr='#ed1c24');
}
 .rosy {
    background: #da5867;
    background: -webkit-gradient(linear, left top, left bottom, from(#f16c7c), to(#bf404f));
    background: -moz-linear-gradient(top, #f16c7c, #bf404f);
    border: solid 1px #b73948;
    color: #fae7e9;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f16c7c', endColorstr='#bf404f');
}
.rosy:hover {
    background: #ba4b58;
    background: -webkit-gradient(linear, left top, left bottom, from(#cf5d6a), to(#a53845));
    background: -moz-linear-gradient(top, #cf5d6a, #a53845);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#cf5d6a', endColorstr='#a53845');
}
.rosy:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#bf404f), to(#f16c7c));
    background: -moz-linear-gradient(top, #bf404f, #f16c7c);
    color: #dca4ab;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#bf404f', endColorstr='#f16c7c');
}
 .white {
    background: #fff;
    background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ededed));
    background: -moz-linear-gradient(top, #fff, #ededed);
    border: solid 1px #b7b7b7;
    color: #606060;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed');
}
.white:hover {
    background: #ededed;
    background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dcdcdc));
    background: -moz-linear-gradient(top, #fff, #dcdcdc);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#dcdcdc');
}
.white:active {
    background: -webkit-gradient(linear, left top, left bottom, from(#ededed), to(#fff));
    background: -moz-linear-gradient(top, #ededed, #fff);
    color: #999;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#ffffff');
}