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86 lines
1.5 KiB
86 lines
1.5 KiB
<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<style>
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#div0 {
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width: 100px;
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height: 500px;
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}
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#div0 div {
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float: left;
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height: 200px
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}
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/* 一行三个 div */
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@media screen and (min-device-width: 400px) and (max-device-width: 500px) {
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#div0 div {
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width: 33.3%;
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}
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#div0 div:nth-child(1) {
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background-color: aqua;
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}
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#div0 div:nth-child(2) {
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background-color: red;
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}
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#div0 div:nth-child(3) {
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background-color: green;
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}
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}
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/* 两行三个 div */
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@media screen and (min-device-width: 300px) and (max-device-width: 399px) {
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#div0 div {
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width: 50%;
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}
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#div0 div:nth-child(1) {
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background-color: aqua;
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}
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#div0 div:nth-child(2) {
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background-color: red;
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}
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#div0 div:nth-child(3) {
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background-color: green;
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}
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}
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/* 三行三个 div */
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@media screen and (min-device-width: 200px) and (max-device-width: 299px) {
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#div0 div {
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width: 100%;
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}
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#div0 div:nth-child(1) {
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background-color: aqua;
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}
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#div0 div:nth-child(2) {
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background-color: red;
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}
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#div0 div:nth-child(3) {
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background-color: green;
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}
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}
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</style>
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</head>
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<body>
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<div id="div0">
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<div></div>
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<div></div>
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<div></div>
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</div>
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</body>
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</html>
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