.interfaz{
    overflow: hidden;
    background: #fff;
    -webkit-box-shadow: 0 5px 12px rgba(0,0,0,.2);
    -moz-box-shadow: 0 5px 12px rgba(0,0,0,.2);
    -ms-box-shadow: 0 5px 12px rgba(0,0,0,.2);
    -o-box-shadow: 0 5px 12px rgba(0,0,0,.2);
    box-shadow: 0 5px 12px rgba(0,0,0,.2);
    position: relative;
    width: 375px; 
    padding: 100px 30px 70px;
}