A 标签HTML 选择器
body{
padding:0px; margin:0px; background-color:#ffdee0;
}
padding:0px; margin:0px; background-color:#ffdee0;
}
B 类别CLASS 选择器
<style type="text/css">
.hongkong{
color:blue;
}
.hunang{
color:red;
}
</style>
......
<p class="hongkong">刘德华</p>
<p class="hongkong">张学友</p>
<p class="hunang">何炅</p>
<p class="hunang">汪涵</p>
.hongkong{
color:blue;
}
.hunang{
color:red;
}
</style>
......
<p class="hongkong">刘德华</p>
<p class="hongkong">张学友</p>
<p class="hunang">何炅</p>
<p class="hunang">汪涵</p>