How Can I Customize the Appearance of Dropdown Arrows Across Different Browsers?

Overriding the Default Appearance of Dropdown Arrows

When creating dropdown lists, you may desire a consistent look and feel across various browsers. The default appearance of the dropdown arrow, however, can vary between browsers. Fortunately, there are methods to modify its appearance using CSS.

Although CSS cannot directly alter the native arrow, it offers a workaround: hiding the default arrow and displaying a custom one. This approach maintains cross-browser consistency while allowing for personalized styling.

Consider the following CSS and HTML code:

.styleSelect select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.styleSelect {
  background: url("images/downArrow.png") no-repeat right #fff;
}

<div class="styleSelect">
  <select class="units">
    <option value="Metres">Metres</option>
    <option value="Feet">Feet</option>
    <option value="Fathoms">Fathoms</option>
  </select>
</div>

In this example, we conceal the native arrow using CSS properties that remove its native appearance. Then, we declare a custom background image as the down arrow, ensuring a consistent appearance across browsers.

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