img,input{width:100%}img{height:100%}input{display:block}.container button{margin-top:20px}.modal-body img{max-height:400px}.btn-file{position:relative;overflow:hidden}.btn-file input[type=file]{position:absolute;top:0;right:0;min-width:100%;min-height:100%;font-size:100px;text-align:right;filter:alpha(opacity=0);opacity:0;outline:0;background:#fff;cursor:inherit;display:block}