<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Fenstertitel</title>
<style type="text/css">
#brett.small {
width: 200px;
height: 200px;
}
#brett {
width: 300px;
height: 300px;
}
#brett.big {
width: 400px;
height: 400px;
}
.cell {
display: inline-block;
width: 12.5%;
height: 100%;
}
.row:nth-child(odd) .cell:nth-child(odd),
.row:nth-child(even) .cell:nth-child(even) {
background-color: black;
}
.row * {
word-spacing: initial;
}
.row {
word-spacing: -1em;
width: 100%;
height: 12.5%;
position: relative;
}
</style>
</head>
<body>
<div id="brett" class="small">
<div class="row">
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
</div>
<div class="row">
<span class="cell"></span>
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<span class="cell"></span>
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<span class="cell"></span>
</div>
<div class="row">
<span class="cell"></span>
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</div>
<div class="row">
<span class="cell"></span>
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<span class="cell"></span>
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</div>
<div class="row">
<span class="cell"></span>
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</div>
<div class="row">
<span class="cell"></span>
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</div>
<div class="row">
<span class="cell"></span>
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<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
</div>
<div class="row">
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
<span class="cell"></span>
</div>
</div>
<script type="text/javascript">
document.getElementById("brett").addEventListener("click", function(){
switch (this.className){
case "small":
this.className = "";
break;
case "":
this.className = "big";
break;
case "big":
this.className = "small";
break;
}
}, false);
</script>
</body>
</html>