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How to give a div tag 100% height of the browser window using CSS

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  • Difficulty Level : Basic
  • Last Updated : 04 Dec, 2018

CSS allows to adjust the height of an element using the height property. While there are several units to specify the height of an element. The vh is a relative unit that is commonly used.

vh: It stands for viewport-height. The viewport refers to the browser window size. Thus when use vh as a unit, the element’s height is adjusted relative to the browser window (viewport’s) height.
vw: It stands for viewport-width. It is used to set the browser width 100% relative to the browser window (viewport’s) width.

Syntax: To set a div element height to 100% of the browser window, it can simply use the following property of CSS:



<!DOCTYPE html>
<!DOCTYPE html>
        <title>Make div 100% of height</title>
            #geeks {
                height: 100vh;
                width: 100vw;
                font-size: 20px;
                font-family: Times;
                padding-top: 250px;                 
                margin: 0px;         
                background-color: green;
                text-align: center;
            .gfg {
        <div id="geeks">
        <div class = "gfg">GeeksforGeeks</div>
        <div>A computer science portal for geeks</div>

div 100%

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