Why Does a Textarea Have Extra Space Below It in Browsers?

Eliminating Extra Space beneath Textarea in Browsers

When utilizing the textarea HTML element, an undesirable extra space may appear beneath it, varying in size from 1 to 4 pixels across browsers. Despite employing a straightforward markup, this issue persists.

`

<style>
    body {
        margin: 0;
        padding: 0;
    }
    .main {
        background-color: red;
    }
    textarea {
        background-color: gray;
        resize: none;
        margin: 0;
        border: 0 none;
        padding: 10px;
        height: 50px;
        overflow: hidden;
    }
</style>

<div class="main">
    <textarea></textarea>
</div>

`

This markup, when rendered in various browsers, exhibits the extra space beneath the textarea. To address this issue, it is necessary to understand that as an inline element, the textarea reserves space for descenders in the text. However, the precise reason for the varying gap between browsers remains unknown.

To eliminate this extra space effectively, add vertical-align: top; to the textarea in your CSS:

<code class="css">textarea {
    ...
    vertical-align: top;
    ...
}</code>

By implementing this modification, the textarea will be aligned to the top of its parent element, effectively removing the unwanted space.

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