box sizing.html

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    <title>Document</title>
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    <div class="box1">
        <h3>Heading</h3>
        <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Doloremque illum accusamus, dignissimos non id explicabo delectus odit porro eos iste, dolorem nemo harum rerum aut sint? Corrupti obcaecati quas perspiciatis!</p>
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    <br>
    <div class="box2">
        <h3>Heading</h3>
        <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Doloremque illum accusamus, dignissimos non id explicabo delectus odit porro eos iste, dolorem nemo harum rerum aut sint? Corrupti obcaecati quas perspiciatis!</p>
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