JSFiddle - React, Tailwind, and code Playground

by meo

HTML

<div><iframe src="http://meodai.ch"></iframe></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div><iframe src="http://meodai.ch"></iframe></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div><iframe src="http://meodai.ch"></iframe></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div><iframe src="http://meodai.ch"></iframe></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div>

CSS

div {
    position:relative;
    width: 25%;
    float: left;
    background: gray;
    border: solid #fff;
    border-width: 1px 0 0 1px;
    margin: -1px 0 0 -1px;
    
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box; 
    
    padding: 0 1px 1px 0;
    
    box-shadow: 1px 1px 0 0 rgba(255,255,255,0),
                2px 2px 0 0 rgba(255,255,255,0),
                3px 3px 0 0 rgba(255,255,255,0),
                4px 4px 0 0 rgba(255,255,255,0),
                5px 5px 0 0 rgba(255,255,255,0),
                6px 6px 0 0 rgba(255,255,255,0),
                7px 7px 0 0 rgba(255,255,255,0),
                0 0 15px rgba(0,0,0,.0),
                inset -1px -1px 0 #fff;            
    -webkit-transition: all 0.2s ease-in;
    -moz-transition: all 0.2s ease-in;
    -o-transition: all 0.2s ease-in;
    transition: all 0.2s ease-in;
}

div:hover {
    margin: -8px 7px 7px -8px;
    box-shadow: 1px 1px 0 0 rgba(255,255,255,1),
                2px 2px 0 0 rgba(255,255,255,1),
                3px 3px 0 0 rgba(255,255,255,1),
                4px 4px 0 0 rgba(255,255,255,1),
                5px 5px 0 0 rgba(255,255,255,1),
                6px 6px 0 0 rgba(255,255,255,1),
                7px 7px 0 0 rgba(255,255,255,1),
                0 0 15px rgba(0,0,0,.15),
                inset -1px -1px 0 #fff;   
}

div > img {
    width: 100%;
    opacity: 0;
    visibility: hidden;
}

div iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    border: none;
}

JavaScript

$("div").append("<img src='http://www.source247.co.uk/myquote4/files/2011/04/white-sash-jammer-spacer.png'>");