質問編集履歴
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コードの修正をしました
test
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test
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親要素で指示したものが、全ての子要素ではなく一部の子要素に効いてしまうのですが、何故でしょうか。
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クラスexample imgで指定したサイズを全ての子要素に反映させたい（クラスtokyo img)が、反映されないのは何故でしょうか。
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クラスexample imgで指定したサイズを全ての子要素に反映させたい（クラスtokyo img)が、反映されないのは何故でしょうか。
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```html
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<!DOCTYPE html>
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<head>
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</body>
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```
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```css
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*{
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padding:0;
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margin:0;
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}
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header{
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background-image: url(https://danblog.tokyo/img/building2.png);
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height:550px;
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background-size: cover;
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}
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header img{
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margin-left:180px;
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margin-top:30px;
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width: 130px;
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}
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header ul{
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float:right;
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display:flex;
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margin-top: 50px;
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margin-right: 90px;;
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}
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header li{
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list-style: none;
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margin-right: 80px;
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}
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header h1{
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text-align: center;
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padding-top:200px;
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font-size:50px;
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font-family:serif;
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}
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header img:hover{
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cursor: pointer;
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opacity:0.5;
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}
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header li:hover{
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cursor: pointer;
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opacity:0.5;
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}
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.info{
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height:350px;
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}
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.info h2{
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font-size: 50px;
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text-align: center;
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margin-top: 50px;
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font-family:serif;
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}
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.info-p{
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margin-top: 40px;
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text-align: center;
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width:30%;
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margin-right:auto;
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margin-left:auto;
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}
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.info-p p{
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height:50px;
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border-bottom: black 1px solid;
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padding-top: 20px;
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}
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.example h2{
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text-align: center;
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}
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.saitama{
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border: black 1px solid;
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}
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.tokyo{
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border: black 1px solid;
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}
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.example img{
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width:30%;
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height:30%;
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}
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```
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*{
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padding:0;
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margin:0;
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}
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header{
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background-image: url(https://danblog.tokyo/img/building2.png);
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height:550px;
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background-size: cover;
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}
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header img{
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margin-left:180px;
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margin-top:30px;
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width: 130px;
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}
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header ul{
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float:right;
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display:flex;
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margin-top: 50px;
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margin-right: 90px;;
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}
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header li{
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list-style: none;
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margin-right: 80px;
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}
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header h1{
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text-align: center;
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padding-top:200px;
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}
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header img:hover{
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header li:hover{
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}
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.info{
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height:350px;
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}
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.info h2{
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font-size: 50px;
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text-align: center;
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margin-top: 50px;
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}
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.info-p{
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margin-top: 40px;
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text-align: center;
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margin-right:auto;
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margin-left:auto;
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height:50px;
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padding-top: 20px;
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}
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.example h2{
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text-align: center;
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.saitama{
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border: black 1px solid;
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}
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.tokyo{
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.example img{
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height:30%;
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}
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