Graphical tutorial on the box-sizing property of CSS3

This time I will bring you a graphic tutorial on the box-sizing attribute of CSS3. Using the box-sizing attribute of CSS3What are the precautions?The following is a practical case, let’s take a look.

Introduction

padding-box.

1. Content-box, border and padding are not calculated into width

2. Padding-box, padding are calculated into width

3. Border-box, border and padding are calculated into width, which is actually a weird mode~

Note:

When used:

android

Examples are as follows:

<style type="text/css">
    .content-box{
        box-sizing:content-box;
        -moz-box-sizing:content-box;
        width: 100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #E6A43F;
        background: blue;
    }
    .padding-box{
        box-sizing:padding-box;
        -moz-box-sizing:padding-box;
        width: 100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #186645;
        background: red;                
    }
    .border-box{
        box-sizing:border-box;
        -moz-box-sizing:border-box;
        width: 100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #3DA3EF;
        background: yellow;
    }
</style>

Screenshot (ff):

How to deal with the disappearance of CSS border lines

Realize multiple background simulation dynamic borders

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