left

Specifies the distance of an element from the left of its current location if the element has position: relative declared or from the left of its nearest ancestor when the ancestor has position: relative and the element has position: absolute declared.

Syntax

left: <value>;

where <value> can be one of the following:

• Length value: 20px
• Percentage value: 5%
• Keyword value: auto, inherit

Note: If none of the ancestors have position: relative declared, the absolute positioned element will traverse the DOM until it reaches the

Example 1

Set the position of .box element 40px off the left edge of the nearest relative position ancestor or from the document if none exist.

.box {
  height: 100px;
  width: 100px;
  background-color: blue;
  position: absolute;
  left: 40px;
}

Example 2

Set the position of .box element 40px from the elements left edge.

.box {
  height: 100px;
  width: 100px;
  background-color: blue;
  position: relative;
  left: 40px;
}