.greenhall li{ width:auto; }

.hrl{ display:block; clear:both; overflow:hidden;}
.h_l{ float:left; width:200px;}
.h_r{ float:right; width: calc( 100% - 200px );}


@media screen and (max-width:600px){
.h_r{ display:none;}
.h_l{width:100%;}
}