Class class and ID Selector
Of course, you can use the class selector.ClassAnd identifier SelectorIDTo define your own selection operator.
The benefit of doing so is that depending on the class or ID, you can behave the same HTML element differently.
In CSS, the class selector isEnglish sentence(.), And the ID is inHalfwidth English Well no.(#.
It looks like this:
#top {background-color: #ccc;padding: 1em}.intro {color: red;font-weight: bold;}
HTML and CSS connection attributesidAndclass. Like this:
<div id="top"><p class="intro">This is my recipe for making curry purely with chocolate</p><p class="intro">Mmm mm mmmmm</p></div>
The difference between ID and class is that ID is used on unique elements, while class is used on more than one element.
You can also apply a selection character to a specified HTML element and place the HTML selection character in front of it. Therefore,p.jam { whatever }Will be appliedSection.