Властивість box-sizing може отримувати 4 значення: content-box. Грунтується на стандартах CSS, при цьому властивості width і height задають ширину і висоту контенту і не включають в себе значення відступів
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.
This example uses box-sizing to evenly horizontally split two divs with fixed size borders inside a div container, which would otherwise require additional markup. sample CSS: div.container {width: 38 em; border: 1 em solid black;} div.split {box-sizing: border-box; width: 50 %; border: 1 em silver ridge; float: left;} sample HTML fragment:
The alternative to the content-box value for the box-sizing property is border-box. Instead of adding padding and border properties to the declared width and height values to get the computed value, it subtracts the values. This means that the width of a box with a border-box box model is the width property minus the sum of the left and right
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.
content-box; border-box; content-box - By adding content-box nothing will change because it is the default behavior of the box-sizing property. If you set Width, padding, and border like this 👇. border-box - Border box is the best choice, it says the content box shrinks to add padding and border. if you add 300px width to box and 20px
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Before CSS3, this box model was known as W3C box model, in CSS3, it is known as the content-box. The total width of a box is therefore left-margin + left-border + left-padding + width + right-padding + right-border + right-margin .
@Vandervals Border being 0 is not enough, but if the border and padding are both 0, then the box-sizing does not change the end result. But if there is any border or padding, then the end result is different. Effectively, if you use border-box, you will get what you specify as width, but without it you will get width + padding + border. –
The Box Model. • padding — space between the content & box edge; background-color fills behind this space. • border — line around the edge of the box. • margin — space outside the box, pushing other boxes away; can see through margin to what’s behind. margin & padding can take 1–4 values. With 4 values, we start at the top and
border-box and content-box are the two different values of box-sizing . content-box: This is the default value of box-sizing. The dimension of element only includes ‘height’ and ‘width’ and does not include ‘border’ and ‘padding’ given to element. Padding and Border take space outside the element.
By default it takes the value content-box. When box-sizing: border box, property-value combination is used in an element, this tells the browser to render the width property as the actual rendered
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box sizing border box vs content box