質問編集履歴
2
頂いたコードを編集して(be_img)、背景画像が画面サイズで表示されるように加工しています。
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```html
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html
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css (CSSのファイルは全て同一)
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* {
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padding: 0;
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margin: 0;
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}
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html,
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body {
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width: 100%;
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height:100%;
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}
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.bg_img {//背景画像にpc画面いっぱいに表示して固定・no repeatの機能を追加しています。
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background: url("doraemon_background_1.png");
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background-size: cover;
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height: 100vh;
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background-attachment: fixed;
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}
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.sample {
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background-color: rgba(255, 255, 255, 0.5);
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height: 100%;
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width: 50%; /* 透かしにする背景色の横の長さはここで調整 */
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margin: 0 auto;
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animation: change-bgcolor 60s cubic-bezier(0, 1, 0, 1) infinite;
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}
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@keyframes change-bgcolor {
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25% {
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background-color: rgba(255, 255, 255, 0.5);
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}
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50% {
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background-color: rgba(255, 0, 0, 0.5);
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}
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75% {
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background-color: rgba(0, 255, 0, 0.5);
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}
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100% {
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background-color: rgba(0, 0, 255, 0.5);
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}
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}
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1
コードをマークダウンの機能で追加しました。
test
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File without changes
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test
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@@ -1,4 +1,228 @@
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```html
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css (CSSのファイルは全て同一)
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.bg_img{
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background: url(doraemon_background_1.png);
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wight: cover;
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height: cover;
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background-size:cover;
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background-position:cover;
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position: relative;
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}
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.bg_img::after {
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content: '';
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background-color: rgba(255,255,255,.5);
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position: relative;
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margin:auto;
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height: cover;
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}
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.sample{
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position: relative;
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margin-right: auto;
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margin-left : auto;
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text-align: center;
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font-size:3.0rem;
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color: #FFF;
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font-weight: bold;
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z-index: 10;
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}
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html
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<body>
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<script>
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MQTTconnect();
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</script>
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<div class="bg_img">
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<div class="bg_img::after">
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<div class="sample">
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<h2> タイトル</h2>
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<p>
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現在の時刻: {{now}}
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</p>
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CloudMQTT 接続 Status: <div id="status">Connection Status: Not Connected</div>
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<br>
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<h2 id="example2"> </h2>
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<figure>
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<p><img id="a_signal" src="写真" WIDTH = "700px" HEIGHTl = "500px"></p>
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</figure>
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<br>
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<h2 id="example2"> </h2>
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<font size = "7" color="#F00">文字</font>
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<br>
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<p><a href="#example"><font size = "6">↓↓↓文字↓↓↓</font></a></p>
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<p>
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<div style="margin-bottom:1000px"></div><font size = "6" color="#000"></font>
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</p>
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<h2 id="example"> </h2>
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文字:<p id="messages"></p>
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<figure>
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<img id="trafic_signal" src="写真" WIDTH = "700px" HEIGHTl = "500px">
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</figure>
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<br>
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<p>
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<input type="button" value="文字" onclick="clickBtn("BLUE")" style="font-size:28px; color:#ffffff;background-color:#4EE27F;WIDTH:350px; HEIGHT:80px;"/>
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<input type="button" value="文字" onclick="clickBtn("RED")" style="font-size:28px; color:#000000;background-color:#FF0000;WIDTH:350px; HEIGHT:80px;"/><br>
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<input type="button" value="文字" onclick="clickBtn("YELLOW")" style="font-size:28px; color:#000000;background-color:#FFFF00;WIDTH:700px; HEIGHT:80px;"/>
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<p><font size = "6">文字</font></p>
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<input type="button" value="文字" onclick="clickBtn3("A")" style="font-size:24px; color:#ffffff;background-color:#000000;WIDTH:96px; HEIGHT:72px;"/>
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<input type="button" value="文字" onclick="clickBtn3("B")" style="font-size:24px; color:#000000;background-color:#ffffff;WIDTH:96px; HEIGHT:72px;"/>
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<input type="button" value="文字" onclick="clickBtn3("C")" style="font-size:24px; color:#ffffff;background-color:#000000;WIDTH:96px; HEIGHT:72px;"/>
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<input type="button" value="文字" onclick="clickBtn3("D")" style="font-size:24px; color:#000000;background-color:#ffffff;WIDTH:96px; HEIGHT:72px;"/>
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<input type="button" value="文字" onclick="clickBtn3("E")" style="font-size:24px; color:#ffffff;background-color:#000000;WIDTH:96px; HEIGHT:72px;"/>
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<input type="button" value="文字" onclick="clickBtn3("F")" style="font-size:24px; color:#000000;background-color:#ffffff;WIDTH:96px; HEIGHT:72px;"/>
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</p>
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<p>
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<div style="margin-bottom:2000px"></div>
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</p>
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<figure>
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<legend> 文字 </legend>
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<img id="c_signal" src="写真" WIDTH = "700px" HEIGHTl = "500px">
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</figure>
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<br>
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<input type="button" value="文字" onclick="clickBtn("RED")" style="font-size:28px; color:#000000;background-color:#FFFF00;WIDTH:700px; HEIGHT:80px;"/>
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<p><a href="#example2"><font size = "6">↑↑↑一番上に戻る↑↑↑</font></a></p>
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</div>
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</div>
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</div>
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<!--</div>
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</div>-->
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```
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### 該当のソースコード
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css (ファイル)
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.bg_img{
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background: url(doraemon_background_1.png);
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wight: cover;
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height: cover;
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background-size:cover;
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background-position:cover;
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position: relative;
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}
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.bg_img::after {
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content: '';
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background-color: rgba(255,255,255,.5);
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position: relative;
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margin:auto;
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height: cover;
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}
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.sample{
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position: relative;
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margin-right: auto;
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margin-left : auto;
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text-align: center;
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font-size:3.0rem;
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color: #FFF;
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font-weight: bold;
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z-index: 10;
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}
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html
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<body>
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<script>
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MQTTconnect();
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</script>
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<div class="bg_img">
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<div class="sample">
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コンテンツの中身
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</div>
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</div>
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</body>
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