CSS basic tutorial syntax format
CSS syntax format
# #The detailed introduction is as follows:
"Selector": It is to select the HTML tag, in other words: it is to add style to which HTML tag.
"Format declaration statement": consists of {}, in which are various format statements.
#A format statement consists of "attribute name: attribute value".
#Each format statement must end with a semicolon ";" in English.
Attribute names are various attributes in CSS. These attribute names are fixed.
#Attribute value. An attribute name can take on different values. This value is not quoted.
The numerical units in CSS are px, and this px cannot be omitted.
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<style type="text/css">
h1{
color:red;
border:1px solid black;
text-align:center;
background-color:#666666;
}
</style>
</head>
<body>
<h1>欢迎加入php.cn</h1>
</body>
</html>
