body{
    background: url(img/sand-465724_1.png) no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background-color: #efefef;        
}

.well_trans{
    background-color: #f5f5f5;
    border: 1px solid #e3e3e3;
    border-radius: 4px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05) inset;
    margin-bottom: 20px;
    min-height: 20px;
    padding: 19px;
    opacity: 0.8;
}

#footer_{

    bottom: -50px;
    height: 50px;
    left: 0;
    position: absolute;
    right: 0;
}