How to set the border size and color in css

Editor to share with you how to set the border size and color in css, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Css setting border size and color method: 1, use the border-width attribute to set the border size of the element, syntax "border-width: width value;"; 2, use the border-color attribute to set the border color, syntax "border-color: color value;".

The operating environment of this tutorial: windows7 system, CSS3&&HTML5 version, Dell G3 computer.

All HTML elements can be thought of as boxes, and in CSS, the term "box model" is used in design and layout.

The CSS box model is essentially a box that encapsulates the surrounding HTML elements, including: margins, borders, padding, and actual content.

The box model allows us to place elements in the space between other elements and the borders of the surrounding elements.

Set border size and color in css

Css sets the border size

In css, you then use the border-width attribute to set the border size of the element.

Div {height: 50px; margin: 20px;} .box1 {border: 1px solid red } .box2 {border: 5px solid red;}

Css sets border styl

In css, you can use the border-color property to set the border color.

Div {height: 50px; margin: 20px; border: 2px solid red;} .box1 {border-color: paleturquoise } .box2 {border-color: goldenrod;}

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