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css选择器学习
℃级的博客
Original
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实例
标签选择器*/
ul{
	border:1px dashed red;
	margin-top:0;
	margin-bottom: 0;
	padding-left: 0;
	overflow:hidden;
}
/*层级选择器*/
ul li{
	list-style-type:none ;
	width:40px;
	height:40px;
	background-color: wheat;
	float:left;
	text-align:center;
	border-radius:100%;
	line-height:40px;
	box-shadow:2px 2px 1px #555;
	margin-left:10px;
}
/*id 选择器*/
#id1{
	background-color:lightblue;
}
/*class选择器*/
.c1{

	background-color:lightgreen;
}
/*群组选择器*/
#id1,.c1{
         border:1px solid black;
}
/*相连选择器*/
#id1 + *
{
	background-color:yellow;
}
/*/*兄弟选择器*/
.c1 ~ *{
	background-color:yellow;

}
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1.bmp


实例

/*伪类选择器*/
ul  :first-child{
	background-color: coral;
}
ul :last-child{
	background-color: coral;
}

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2.bmp

实例

/*伪类 类型选择器*/
ul li:last-of-type{
	background-color: red;
}
ul li:first-of-type{
	background-color: darkorchid;
}

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3.bmp

体会:css选择器较多,分类有id选择器,class选择器+,兄弟选择器~,相连选择器,伪类选择器,

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