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POPadding not coming as expected
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  1. POPadding not coming as expected
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    copied!<p>I have a doubt why div size increase unexpectedly when padding is given. I am developing an HTML keeping aspect ratio.</p> <p>This is my HTML:</p> <pre><code>&lt;body&gt; &lt;div id="container" class="containerOuter"&gt; &lt;div class="main_container"&gt; &lt;div class="top"&gt; &lt;div class="top_inside"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div class="bottom"&gt; &lt;div class="bottom_inside"&gt;&lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/body&gt; </code></pre> <p>CSS:</p> <pre><code>html{ width:100%; height:100%; } body{ width:100%; height:100%; padding:0; margin:0; } .containerOuter { background-color:silver; } .main_container{ width:100%; height:100%; } .top{ width:96%; height:76%; padding:2%; background:#F00; } .bottom{ width:96%; height:16%; padding:2%; background:#0F0; } .top_inside{ width:100%; height:100%; background:#60C; } .bottom_inside{ width:100%; height:100%; background:#C0C; } </code></pre> <p>JS:</p> <pre><code>(function( $ ) { $.fn.keepRatio = function() { var $this = $(this); var ratio = 1.333333333; function ReSize() { var nw = $(window).height() * ratio; $this.css('width', nw + 'px'); $this.css('height', $(window).height() + 'px'); } $(window).resize(ReSize); ReSize(); } })( jQuery ); $(document).ready(function(){ $('#container').keepRatio(); }); </code></pre> <p>when border-box is used the size is reduced</p> <pre><code>div { -webkit-box-sizing:border-box; /* Safari/Chrome, other WebKit */ -moz-box-sizing:border-box; /* Firefox, other Gecko */ box-sizing:border-box; /* Opera/IE 8+ */ } </code></pre> <p>Can somebody explain this unexpected behavior ? Thanks in advance</p>
 

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