*{margin:0; padding:0; box-sizing:border-box; }
body { font-family:Verdana, Geneva, sans-serif;}
.casino{width:100%; }
.grid-sizer { width:50%; }
.item {width:49%; margin:0.5%}
.item1 {width:99%; margin:0.5%}
img{ max-width: 100%; width:100%; display: block;}

@media screen and (max-width: 1224px) {
.grid-sizer { width: 50%; }  
.item { width:49%; margin:0.5%; }
.item1 {width:99%; margin:0.5%} 
}
@media screen and (max-width: 767px) {
.grid-sizer { width: 50%; }
.item { width:49%; } 
.item1 {width:99%; margin:0.5%}
}
@media screen and (max-width: 480px) {
.grid-sizer { width: 100%; }
.item { width: 100%; margin-bottom:5px; }
.item1 {width:100%;} 
}