body{padding:5px}td{border-bottom:1px solid grey}body{margin:0}.modal,body{position:absolute}.modal{z-index:10;height:100vh;width:100vw;left:0;top:0;background-color:rgba(0,0,255,.1)}.content{z-index:20;width:400px;margin:0 auto;margin-top:100px;padding:50px;height:auto;border:1px solid red;background-color:#fff}img{width:150px}