#cms1 section#bloc3{
    display: block;
}
section#bloc3{
    background: transparent;
    float: left;
    width: 100%;
    display: none;
    position: relative;
}
#colunm_infos_bloc3 {
	margin: 50px 0;
}

@media (min-width: 320px) and (max-width: 767px) {

}
@media (min-width: 768px){

}
@media (min-width: 992px){

}
@media (min-width: 1200px){

}
@media (min-width: 1400px){

}
@media (min-width: 1700px){

}