.kendepot_mar01{margin-top:20px;}
.youtube{width:320px!important;margin-left:auto;margin-right:auto;padding-left:0px!important;padding-right:0px!important;}
.youtube iframe {height:180px!important;}
@media (min-width:542px){
.kendepot_mar01{margin-top:40px;}
.youtube{width:560px!important;}
.youtube iframe {height:315px!important;}
}