To change the padding of an element in css: 1. The padding attribute can change the top, bottom, left and right padding of the element at the same time; 2. The padding-top, padding-bottom, padding-left and padding-right attributes, respectively Change the padding of the top, bottom, left and right of the element.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
Change the inner padding of elements in css
1. Use the padding attribute directly
padding Property is a shorthand property that defines the space between the element's border and its content, i.e. the top, bottom, left and right padding.
Grammar:
padding:上内填充 右内填充 下内填充 左内填充; padding:上内填充 左右内填充 下内填充; padding:上下内填充 左右内填充; padding:上下左右的内填充;
Example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <style> p.ex1 {padding:2cm;} p.ex2 {padding:0.5cm 3cm;} </style> </head> <body> <p class="ex1">这个文本两边的填充边距一样。每边的填充边距为2厘米。</p> <p class="ex2">这个文本的顶部和底部填充边距都为0.5厘米,左右的填充边距为3厘米。</p> </body> </html>
2. Use padding-top, padding-bottom, padding-left and padding-right attributes
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <style> p{ border: 1px solid red; } p.ex1 { padding-top: 15px; } p.ex2 { padding-bottom: 15px; } p.ex3 { padding-left: 15px; } p.ex4 { padding-right: 15px; } </style> </head> <body> <p class="ex1">文本上填充15px。</p> <p class="ex2">文本下填充15px。</p> <p class="ex3">文本左填充15px。</p> <p class="ex4">文本右填充15px。</p> </body> </html>
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