<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>뷰포트 단위 사용하기</title> <style> div { height: 48vh; background: #ffe; border: 1px solid #9cc; } .flex_h{ background: #fbb; } @media (max-height: 500px) { .flex_h{ background: #bfb; } } @media (max-height: 400px) { .flex_h{ background: #bbf; } } </style> </head> <body> <div><b>height: 48vh</b><br> 창을 위아래로 늘이거나 줄여보자</div> <div class="flex_h"><b>height: 48vh</b><br> 창을 위아래로 늘이거나 줄여보자</div> </body> </html>