CSS Reference

Quick Reference

The border-left property is a shorthand property for all the other properties a CSS left border can be given.

div {
    border-left: #ff0000 solid 4px;
}

Default

Default value(text color) none medium
Inherited valuesno
Can it be animated?yes

These are the allowed values.

ValueDescription
border-left-widthSpecifies the width of the left border (default value is "medium")
border-left-styleSpecifies the style of the left border (default value is "none") (required)
border-left-colorSpecifies the color of the left border (default value is the color of the text)
initialSets this property to its default value
inheritInherits this property from its parent element

Using JavaScript

The HTML element can also be styled using JavaScript and the element’s id.

document.getElementById('my_div').style.borderLeft = 'red solid thin';
<button onclick='my_function()'>Click Here</button>

<script>
function my_function() {
    document.getElementById('my_div').style.borderLeft = 'red solid thin';
}
</script>

CSS Notes:


We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.