html响应式--媒体播放

xiaoxiao2021-02-28  87

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewort" content="width=device-width,initial-sanle=1"> <title>Title</title> <style> *{ margin: 0; padding: 0; } .box{ width: 100%; height: 50px; background: red; } @media screen and (max-width: 700px){ .box{ background: green; } body{ background: goldenrod; } .head{ background: black; } } @media screen and (max-width: 400px){ .box{ background: purple; } body{ background: yellow; } .head{ background: gray; } } .head{ width: 1000px; height: 200px; background: aqua; } </style> </head> <body> <div class="box"></div> <header class="head"></header> </body> </html>
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