.button {
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    padding: 12px 24px;
    border: 1px solid #4e890a;
    border-radius: 8px;
    background: #7ede10;
    background: -webkit-gradient(linear, left top, left bottom, from(#7ede10), to(#4e890a));
    background: -moz-linear-gradient(top, #7ede10, #4e890a);
    background: linear-gradient(to bottom, #7ede10, #4e890a);
    font: normal normal bold 20px arial;
    color: #ffffff;
    text-decoration: none;
}
.button:hover,
.button:focus {
    border: 1px solid #61ab0c;
    background: #97ff13;
    background: -webkit-gradient(linear, left top, left bottom, from(#97ff13), to(#5ea40c));
    background: -moz-linear-gradient(top, #97ff13, #5ea40c);
    background: linear-gradient(to bottom, #97ff13, #5ea40c);
    color: #ffffff;
    text-decoration: none;
}
.button:active {
    background: #4e890a;
    background: -webkit-gradient(linear, left top, left bottom, from(#4e890a), to(#4e890a));
    background: -moz-linear-gradient(top, #4e890a, #4e890a);
    background: linear-gradient(to bottom, #4e890a, #4e890a);
}