rounded corners css

.button {
    position: relative;
    display:table;
        display: inline;
        top: 15px;
    outline: none;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font-size: 14px;
        font-weight: bold;
    padding: .5em 2em .55em;
    text-shadow: 0 1px 1px rgba(0,0,0,.3);
    -webkit-border-radius: .5em; 
    -moz-border-radius: .5em;
    border-radius: .5em;
    -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);
    color: #faddde;
    border: solid 1px #980c10;
    background: #d81b21;
    background: -webkit-gradient(linear, left top, left bottom, from(#aa1317), to(#ed1c24));
    background: -moz-linear-gradient(top,  #aa1317,  #ed1c24);
}
.button:hover {
    text-decoration: none;
    background: #b61318;
    background: -webkit-gradient(linear, left top, left bottom, from(#c9151b), to(#a11115));
    background: -moz-linear-gradient(top,  #c9151b,  #a11115);
}
.button:active {
    position: relative;
    top: 1px;
    color: #de898c;
    background: -webkit-gradient(linear, left top, left bottom, from(#aa1317), to(#ed1c24));
    background: -moz-linear-gradient(top,  #aa1317,  #ed1c24);
}