CSS is the bomb

#button {
    font-weight: bold;
    border: 2px solid #fff;
}
</div>
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<div class="line number1 index0 alt2"><code class="css plain">#button {</code></div>
<div class="line number2 index1 alt1"><code class="css spaces">    </code><code class="css keyword">font-weight</code><code class="css plain">: </code><code class="css value">bold</code><code class="css plain">;</code></div>
<div class="line number3 index2 alt2"><code class="css spaces">    </code><code class="css keyword">border</code><code class="css plain">: </code><code class="css value">2px</code> <code class="css value">solid</code> <code class="css value">#fff</code><code class="css plain">;</code></div>
<div class="line number4 index3 alt1"><code class="css plain">}</code></div>
</div>
<div class="line number4 index3 alt1">
This is something