You just add padding, and it seems to make the boxes bigger; weird. So we're going to add Box Sizing and Border Box, and magically we've got Padding, but they didn't get bigger. No more minusing the padding from the size and width of the boxes. It's magic, let's work out how to do it now in VS code.
Then we’re subtracting the padding as well to round the corners of the content-box. See the Pen by thebabydino (@thebabydino) on CodePen. So let’s code this! We set a transparent border and a padding. We make sure they get subtracted from the dimensions we’ve set by switching to box-sizing: border-box.
border-box makes it so that the outside of the border is considered the outside bounds of the element. thats why in the 200px example, the borders and padding take up the "inner" space.
Also you should take note that padding is included in total width/height the element, when used with box-sizing: border-box; so if you have width: 100px; padding-left: 20px; the total width will still be 100px but the area for content is reduce by 20px, unlike box-sizing: content-box; where padding is separate in calculating content width which Giải pháp hiện tại. Box model được nâng cấp (rất lâu rồi) với thuộc tính box-sizing, 2 value chính là: content-box và border-box. content-box: tất cả element đều được gán mặc định là content-box, và cũng là những gì mình phân tích ở trên. CSS uses a box-model that was defined in the spec a long time ago. IE used a different one, that ended up being the more intuitive one. Border-box is the IE box model, where padding/border is included in the size of an element. Normal box model: width:80px + padding:10x = element with 100px total width. 80px of that is is useable content space. Yes, border box works as it should. Border box says that when we set a width of something we MEAN the width from the left border to the right border. (rather than the content area of the box model) Given this scenario: enable box-sizing: border-box; have a container with 2 boxes inside of it; set the width of those child boxes to 50% In this case both box will be equal but you will notice that the one with border will have a height/width 0 for the content because we already reached 100px with padding and border (45px*2 + 5px*2 = 100px) but the other box will still have some space for content:
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content-box gives you the default CSS box-sizing behavior. If you set an element's width to 100 pixels, then the element's content box will be 100 pixels wide, and the width of any border or padding will be added to the final rendered width, making the element wider than 100px. border-box tells the browser to account for any border and padding
min-content is already supported by newer browsers. This works without having to specify height anymore. The flex property of the content div makes it grow to the bottom of the viewport. For 2. Long columns scrolling, change min-height: -webkit-min-content; to height: min-content.box { height: fit-content; min-height: 100%; display: flex; } If you have box-sizing: content-box (content-box is default), content area is "height" and "width". If you add border, content area will not change, border size will be added to the content area. If you add border, content area will not change, border size will be added to the content area.
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