.dropbox{outline:2px dashed grey;outline-offset:-10px;background:#e0ffff;color:#696969;padding:10px;min-height:200px;position:relative;cursor:pointer;-webkit-transition:background .3s ease;transition:background .3s ease;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.input-file{opacity:0;width:100%;height:100%;position:absolute;cursor:pointer;top:0;left:0}.dropbox:hover{background:#add8e6}.dropbox:focus-within{outline-color:#00f;background:#add8e6}.dropbox p{font-size:1.2em;text-align:center}.progress{width:100%;height:20px;margin-top:10px}.alert{margin-top:20px}