.container_margin{
    margin-bottom:50px !important;
}



#test_rwd{
    height:1px;
    width:1px;
    display:block;
}



html, body {
    height:100% ;
    border:0px solid red !important;
    background-color:white;
    -moz-osx-font-smoothing: grayscale !important;
    -webkit-font-smoothing: antialiased !important;    
}

.zero_padding{padding:0;}
.zero_margin{margin:0;}

.container{
    padding:0;
    padding-bottom:0px;
}