値 content-box これは、 CSS 標準仕様で規定されている初期値および既定値です。 width および height プロパティの寸法は、コンテンツ領域のみを含むものとなり、パディング、境界線、マージン領域を含みません。

É possível usar essa propriedade para emular o comportamento dos navegadores (browsers) que não suportam corretamente a especificação da propriedade CSS box model. Syntax. border-box model by default. When you set box-sizing: border-box; on an element, the padding and border of that element no longer increase its width. IE6 will use the old school (correct?)

Values content-box This is the initial and default value as specified by the CSS standard. Firefox 4 ignoring box-sizing?

There’s more comprehensive information about browser support in our box-sizing almanac entry. The less-commonly used padding-box is only supported in Firefox at the moment. 2. Notice that the element with the default box-sizing: content-box; exceeds the declared width when the padding and border are added to the outside of the content box, while the element with box-sizing: border-box; applied fits completely within the declared width..

While many people make fun of Microsoft’s ‘Internet Explorer’ browser - the one thing that most css authors agree on is that it’s the most favorable box model. The box-sizing property in CSS controls how the box model is handled for the element it applies to..module { box-sizing: border-box; } One of the more common ways to use it is to apply it to all elements on the page, pseudo elements included: *, *::before, *::after { box-sizing: border-box; } Get it now → In collection: box-model Permalink Share Can I use MDN # box-sizing Defines how the width and height of the element are calculated: whether they include the padding and borders or not. A propriedade CSS box-sizing é utilizada para alterar a propriedade padrão da box model, usada para calcular larguras (widths) e alturas (heights) dos elementos. content-box es el comportamiento CSS por defecto para el tamaño de la caja (box-sizing). The width and height properties include the content, but does not include the padding, border, or margin. The box-sizing property is specified as a single keyword chosen from the list of values below..

Values content-box This is the initial and default value as specified by the CSS standard. box-sizing support in IE7 (2) There are several ways to do this, none perfect. box-sizing 属性允许您以特定的方式定义匹配某个区域的特定元素。例如，假如您需要并排放置两个带边框的框，可通过将 box-sizing 设置为 "border-box"。这可令浏览器呈现出带有指定宽度和高度的框，并把边框和内边距放入框中。 The red line between the images represents the elements’ width value. css - working - mdn box-< sizing . edited May 28 '14 at 16:05. answered Apr 29 '11 at 7:28.

This module should make things a bit easier. ... Also see the documentation on MDN. The width and height properties include the content, but does not include the padding, border, or margin. Si se define el ancho de un elemento en 100 pixeles, la caja del contenido del elemento tendrá 100 pixeles de ancho, y el ancho de cualquier borde o relleno ser añadirá al ancho final desplegado. Box Sizing. There are a few issues with older versions of Internet Explorer (8 and older). For example, .box {width: 350px; border: 10px solid black;} renders a box that is 370px wide. As you point out: Firefox / Opera / Safari / Chrome / IE8+ will recognise the box-sizing property allowing you to use border-boxes. For example, .box {width: 350px; border: 10px solid black;} renders a box that is 370px wide.