css set height percentage width

 

 

 

 

Percentage Height HTML 5/CSS 4 answers. How come a percentage value for height doesnt work but a percentage value for width does?How to make a div 100 height of the browser window? 365. CSS: Setting width/height as Percentage minus pixels. Basically you make use of the fact that padding values given in percentage always are calculated based on the width of anYoure correct that you cannot set HTML width/height properties since the class will override them. However, if you set the style property you can override the CSS class. If you will try the set the height of container div to 100 of the browser window using height: 100 it doesnt work, because the percentage () is a relative unit so the resulting height is depends on the height of parent elements height.