该bb班的背景颜色将是红色的,如果我之前移动代码intro-block类的CSS代码,但是如果我把它放在后intro-block颜色不改变,并没有任何反应类的CSS代码!谁能告诉我为什么会这样?!
.left-column {
width: 35%;
margin-left: 20px;
margin-right: 50px;
float: left;
overflow: hidden;
}
.right-column {
overflow: hidden;
}
.intro-block {
background-color: #22AAA1;
margin: 0 auto;
/*max-width: 950px;*/}
}
.bb {
background-color: red;
}Run Code Online (Sandbox Code Playgroud)
<body>
<header>
<section class="intro-block">
<div class="left-column">
<img class="profile-pic right-column" src="img/11.jpg">
</div>
<div class="right-column">
<h1>lorem ipsum</h1>
<p>
<h4>lorem ipsum</h4>
</p>
</div>
</section>
</header>
<main>
<section class="bb">
<h3>lorem ipsum</h3>
<div class="left-column">
<div>
<p>lorem ipsum</p>
</div>
</div>
<div class="right-column">
<h5>lorem ipsum</h5>
</div>Run Code Online (Sandbox Code Playgroud)
你}之前有一个额外的.bb {}
注意:不要包含标题(h1到h6)p
您应该缩进/整理代码以便更好地阅读,并且您可以轻松地发现这些错误
.left-column {
width: 35%;
margin-left: 20px;
margin-right: 50px;
float: left;
overflow: hidden;
}
.right-column {
overflow: hidden;
}
.intro-block {
background-color: #22AAA1;
margin: 0 auto;
/*max-width: 950px;*/
}
.bb {
background-color: red;
}Run Code Online (Sandbox Code Playgroud)
<body>
<header>
<section class="intro-block">
<div class="left-column">
<img class="profile-pic right-column" src="img/11.jpg">
</div>
<div class="right-column">
<h1>lorem ipsum</h1>
<h4>lorem ipsum</h4>
</div>
</section>
</header>
<main>
<section class="bb">
<h3>lorem ipsum</h3>
<div class="left-column">
<div>
<p>lorem ipsum</p>
</div>
</div>
<div class="right-column">
<h5>lorem ipsum</h5>
</div>
</section>
</main>Run Code Online (Sandbox Code Playgroud)
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