How to solve the problem that there is an extra blank when the web page shrinks?

the layout of the entire page is set to width:auto;min-width:0; with CSS, and then when the page shrinks, when the mouse is pulled around, you can see a blank next to it. How to solve that blank? So that the web page can not be pulled? As shown in the figure:

Mar.14,2021

you write the width of body as 100% answer and then look at 0-0


width to 100%


 body, html{
width:100%;
height:100%
}
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