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NEW TRICK
HTML
<div id="container"> <div id="box">This is a box<div> </div>
CSS
#container { width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; } #box { width: 250px; height: 250px; border: 1px solid #000000; display: flex; justify-content: center; align-items: center; }
JAVASCRIPT
console.log('This is just a test.');
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