The float property in CSS allows elements to break out of the document flow and line up along the edge of their parent element, for creating and aligning text, images, floating menu sidebars, and overlapping elements. The attribute values ????of floating elements include left (left float), right (right float), none (clear float), and inherit (inherit). To prevent a floated element from causing the parent element to overflow, you can use the clearfix technique to add an empty element and clear the float.
The role of float in CSS
float is an important attribute in CSS, used to control the placement of elements on the page s position. It allows elements to break out of the normal document flow and line up along the edge (left or right) of their parent element.
How float works
When an element floats, it is removed from the document flow and placed at the edge of the parent element. Floated elements will occupy available horizontal space until they encounter other floated elements or the container boundary.
Usage of float
The float property can be used for the following purposes:
- Create side-by-side columns
- Align text or image
- Create a floating menu or sidebar
- Create an overlapping element
The attribute value of float
The float attribute has The following attribute values:
- left: Float the element to the left of the parent element
- right: Float the element to the left of the parent element The right side of the
- none: Clears the float, allowing the elements to be arranged normally in the document flow
- inherit: Inherit the float value from the parent element
Clear floats
Floating elements may cause the parent element to overflow. To prevent this, floats can be cleared using the clearfix technique. A common approach is to use the following CSS code:
.clearfix:after {
content: "";
display: table;
clear: both;
}This will add an empty element with the clear: both attribute to the parent element, thus clearing the float and preventing overflow.
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