如何在div中水平和垂直放置图像
这个问题在这里已经有了答案:
你在这:
.video{
width: 100%;
height: 500px;
background-color: peru;
position: absolute;
}
.moldura{
  display: block;
  width: 50px;
  border: 1px solid black;
  /* Here is the important code*/
  position: relative;
  top: 50%;
  left: 50%;
  transform:translate(-50%, -50%);
}
.moldura img{
	width: 50px;
}<!DOCTYPE html>
<html>
<head>
	<title>TESTE</title>
<link rel="stylesheet" type="text/css" href="estilo.css">
</head>
<body>
	<div class="video"> 
		<div class="moldura">
			<img src="https://lh4.ggpht.com/SKQHLsT8xsNpXeL5si4bBqSNqdy8Qbvzk15J3qWTp55AnnkbNO6-vBJhIBTQxyq16YE=w300">
		</div>
	</div>
	
</body>
</html>你尝试过使用柔性盒吗?
编辑:根据评论,不,我不知道使用“对齐项目”,效果很好,我已经编辑相应的片段! :)
.video{
display:flex;
justify-content: center;
align-items: center;
flex-direction:column;
height:250px;
background-color: peru;
}
.moldura{
}
.moldura img{
 height:50px;
 border:1px solid black;
}<!DOCTYPE html>
<html>
<head>
	<title>TESTE</title>
<link rel="stylesheet" type="text/css" href="estilo.css">
</head>
<body>
	<div class="video"> 
		<div class="moldura">
			<img src="https://lh4.ggpht.com/SKQHLsT8xsNpXeL5si4bBqSNqdy8Qbvzk15J3qWTp55AnnkbNO6-vBJhIBTQxyq16YE=w300">
		</div>
	</div>
	
</body>
</html>添加了行高css属性。
.video{
width: 100%;
height: 500px;
background-color: peru;
position: absolute;
}
.moldura{
	display: block;
	width: 50px;
	margin:0 auto;
    line-height:500px;
    height:100%;
}
.moldura img{
	width: 50px;
    vertical-align:middle;
}<!DOCTYPE html>
<html>
<head>
	<title>TESTE</title>
<link rel="stylesheet" type="text/css" href="estilo.css">
</head>
<body>
	<div class="video"> 
		<div class="moldura">
			<img src="https://lh4.ggpht.com/SKQHLsT8xsNpXeL5si4bBqSNqdy8Qbvzk15J3qWTp55AnnkbNO6-vBJhIBTQxyq16YE=w300">
		</div>
	</div>
	
</body>
</html>上一篇: How to center a image in a div horizontally and vertically
