html,body{
    overflow-x: hidden!important;
    font-family: 'Source Sans Pro', sans-serif;
    -webkit-font-smoothing: antialiased;
    height: 100%;
    background: #f9f9f9;
    font-size: 15px;
    background-image: url(../img/pattern/pat_03.png), url(../img/login-bg.jpg);
    background-repeat: repeat, no-repeat;
    background-position: 0 0;
    background-size: 5px 5px, cover;
}
#main_cont {
    background: rgba(255,255,255,0.5);
    padding: 20px;
    width: 520px;
    margin: 0 auto;
}