Spacing
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>html</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>head</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> 
            <span class="token selector">div</span> <span class="token punctuation">{</span> 
                <span class="token property">display</span><span class="token punctuation">:</span> inline-block<span class="token punctuation">;</span> 
                <span class="token property">border</span><span class="token punctuation">:</span> solid 1px<span class="token punctuation">;</span> 
            <span class="token punctuation">}</span>
            <span class="token selector">#antisocial</span> <span class="token punctuation">{</span>
                <span class="token property">margin</span><span class="token punctuation">:</span> 16px<span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
            <span class="token selector">#big-yard</span> <span class="token punctuation">{</span>
                <span class="token property">padding</span><span class="token punctuation">:</span> 16px<span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
            <span class="token selector">#stay-away</span> <span class="token punctuation">{</span>
                <span class="token property">padding</span><span class="token punctuation">:</span> 16px<span class="token punctuation">;</span> 
                <span class="token property">margin</span><span class="token punctuation">:</span> 16px<span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
        </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>head</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>body</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>antisocial<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>This element has a margin<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">></span></span>So the next element is pushed away<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>big-yard<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>This element has padding<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">></span></span>So the next element can be close<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>stay-away<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>This element has margin and padding<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">></span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">></span></span>Check it out in the developer tools!<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">></span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">></span></span>