html - DIV height set as percentage of screen? -


i'm looking set parent div 70% of full 100% screen height. i've set following css doesn't seem anything:

body { font-family: 'noto sans', sans-serif; margin: 0 auto; height: 100%; width: 100%; } .header { height: 70%; }

for reason doesn't seem working though , header isn't 70% of screen size. advice?

try using viewport height

div {     height:100vh;  }

it discussed here in detail


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