html The border line of the div element can be set using the border-related attributes: 1. The border attribute sets the upper, lower, left and right border styles at the same time; 2. The border-top, border-bottom, border-left and border-right attributes are set separately. Top, bottom, left and right border styles.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
The CSS border property allows you to specify the style and color of an element's border.
Example:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
div {
width: 250px;
margin: 50px 0px;
padding: 20px 10px;
}
.box1{
border: 1px solid red;
}
.box2{
border-top: 1px solid green;
}
.box3{
border-bottom: 1px solid green;
}
.box4{
border-left: 1px solid green;
}
.box5{
border-right: 1px solid green;
}
</style>
</head>
<body>
<div class="box1">border属性设置使用边框样式</div>
<div class="box2">border-top属性设置上边框样式</div>
<div class="box3">border-bottom属性设置下边框样式</div>
<div class="box4">border-left属性设置左边框样式</div>
<div class="box5">border-right属性设置右边框样式</div>
</body>
</html>Rendering:
CSS video tutorial, htmlVideo Tutorial】
CSS Border Properties
| Description | |
|---|---|
| Abbreviation attribute, used to set the attributes for four sides in one statement. | |
| is used to set the style of all borders of an element, or set the border style for each side individually. | |
| Shorthand attribute, used to set the width of all borders of an element, or set the width of each border individually. | |
| Shorthand attribute, sets the color of the visible part of all borders of the element, or sets the color for each of the 4 sides. | |
| Abbreviation attribute, used to set all attributes of the bottom border into one statement. | |
| Set the color of the bottom border of the element. | |
| Set the style of the bottom border of the element. | |
| Set the width of the bottom border of the element. | |
| Abbreviation property, used to set all properties of the left border into one statement. | |
| Set the color of the left border of the element. | |
| Set the style of the left border of the element. | |
| Set the width of the left border of the element. | |
| Abbreviation property, used to set all properties of the right border into one statement. | |
| Set the color of the right border of the element. | |
| Set the style of the right border of the element. | |
| Set the width of the right border of the element. | |
| Abbreviation attribute, used to set all attributes of the top border into one statement. | |
| Set the color of the top border of the element. | |
| Set the style of the top border of the element. | |
| Set the width of the top border of the element. |
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