Select: Color Variation

<p class="input">
    <select name="" class="primary">
        <option value="">1</option>
        <option value="">2</option>
        <option value="">3</option>
        <option value="">4</option>
        <option value="">5</option>
    </select>
</p>

<br><br>

<p class="input">
    <select name="" class="green">
        <option value="">1</option>
        <option value="">2</option>
        <option value="">3</option>
        <option value="">4</option>
        <option value="">5</option>
    </select>
</p>

<br><br>

<p class="input">
    <select name="" class="blue">
        <option value="">1</option>
        <option value="">2</option>
        <option value="">3</option>
        <option value="">4</option>
        <option value="">5</option>
    </select>
</p>

<br><br>

<p class="input">
    <select name="" class="orange">
        <option value="">1</option>
        <option value="">2</option>
        <option value="">3</option>
        <option value="">4</option>
        <option value="">5</option>
    </select>
</p>

<br><br>

<p class="input">
    <select name="" class="red">
        <option value="">1</option>
        <option value="">2</option>
        <option value="">3</option>
        <option value="">4</option>
        <option value="">5</option>
    </select>
</p>