After the previous 2 articles of CSS basic introducttion, let's talk about 5 Types of CSS Selector today...

1. Tag Name Selector

body{
	font-size:16;font-family:"Arial"
}
h3{
	font-size:24;text-decoration:underline;
}

2. Class Selector

• Add a “dot” before the class. Also, we can connect a specific tag before the class if we want it to be the exclusive use of the tag.

div.content{
	padding:10px;border:1px dashed #888888;
}

3. id Selector

• Add a “#” before the id

#btn{
	border:1px solid #888888;
	background-color:#ffffff;padding:5px;
}

4. Pseudo-classes Selector

• Often used with other selectors
• Example1. #:hover--for button clicking design

#btn:hover{
	background-color:#888888;
}

• Example2. #:focus--for getting cursor’s focus

input:focus{
	border:2px solid #ff0000;
}

5. Cascading Selector

• Often used with other selectors

.content1 a{
	color:#0000ff;
}
.content2 a{
	color:#008800;
}

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