body,html,main{height:100%}main{margin-top:30px}.container{border:2px dashed pink;min-height:150px}#main{height:100vh}.file-wrapper{text-align:center;width:300px;height:5em;vertical-align:middle;display:table-cell;position:relative;overflow:hidden;background:grey}.file-wrapper input{position:absolute;top:0;right:0;cursor:pointer;opacity:0;filter:alpha(opacity=0);font-size:300px;height:200px}