Common basic selectors include "element selector", "class selector", "ID selector", "attribute selector" and "pseudo-class selector": 1. Element selector, through The element name is used to select the element; 2. The class selector is used to select the element through the class name; 3. The ID selector is used to select the element through the element's unique identification ID; 4. The attribute selector is used to select the element through the attribute value of the element; 5. Pseudo-class selector selects elements based on their status or position.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
Common basic selectors include the following:
- Element Selector: Select elements by element name.
p { color: blue; }
In the above example, all
elements will be selected and the text color will be set to blue.
- Class Selector: Select elements by class name.
.myClass { font-weight: bold; }
In the above example, all elements with class="myClass" will be selected and the font will be bold.
- ID Selector: Select elements by their unique ID.
#myElement { background-color: yellow; }
In the above example, the element with id="myElement" will be selected and the background color will be set to yellow.
- Attribute Selector: Select elements by their attribute values.
input[type="text"] { border: 1px solid gray; }
In the above example, all elements whose type attribute value is "text" will be selected and the border style will be set.
- Pseudo-class Selector: Select elements by their status or position.
a:hover { color: red; }
In the above example, when the mouse hovers over the element, the text color will change to red.
These are basic selectors that allow you to select different elements and apply styles to them. These selectors can be used individually or in combination to select target elements more precisely.
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