.row{display:flex;justify-content:space-between;padding:10px;background:#fff;margin-bottom:5px}
.header{margin-bottom:10px}
.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5)}
.hidden{display:none}
.box{background:#fff;padding:20px;margin:100px auto;width:300px}