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CSS3實(shí)現(xiàn)登錄窗口水平垂直居中顯示
2021-10-22 16:59:32

<!DOCTYPE html>
<html>
<head>
<style>
.flex-container {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: DodgerBlue;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
}

#login {
  background-color: #f1f1f1;
  width: 400px;
  height: 280px;
}
</style>
</head>
<body>
<div class="flex-container">
  <div id="login"></div>
</div>

</body>
</html>

本文摘自：https://www.cnblogs.com/

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CSS3實(shí)現(xiàn)登錄窗口水平垂直居中顯示2021-10-22 16:59:32

CSS3實(shí)現(xiàn)登錄窗口水平垂直居中顯示
2021-10-22 16:59:32