CSS

margin-top not working

.form_head {
    margin-top: 20px;
    color:#58585a;
    font-size:22px;  
    display:block; /* Add this */ 
}

margin-top not working

#outer {
    width:500px; 
    height:200px; 
    background:#FFCCCC;
    margin:50px auto 0 auto;
    display:block;
}
#inner {
    background:#FFCC33;
    margin:50px 50px 50px 50px;
    padding:10px;
    display:inline-block;
}