Quick Reference
The outline property draws a line around elements outside any borders, and is a shorthand property for the:
div {
outline: red dotted 5px;
}
This element (text) has a 5px red outline on all four sides, outside of the black border.
Default
| Default value | color invert medium |
| Inherited values | no |
| Can it be animated? | yes |
These are the allowed values.
| Value | Description |
|---|---|
| outline-width | Specifies the width of outline |
| outline-style | Specifies the style of the outline |
| outline-color | Specifies the color of the outline |
| initial | Sets this property to its default value |
| inherit | Inherits 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.outline = "red dotted 2px";<button onclick='my_function()'>Click Here</button>
<script>
function my_function() {
document.getElementById('my_div').style.orphans = '2';
}
</script>CSS Notes:
- The “inherit”, “initial” and “unset” keywords can be used with any CSS property to set its value
- In CSS there are many ways to express a color value in a property
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.