The background-size CSS property specifies the size of the background images. The size of the image can be fully constrained or only partially in order to preserve its intrinsic ratio. Note: If the value of this property is not set in a background shorthand property that is applied to the...
The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, or constrained to fit the available space.
The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, or constrained to fit the available space.
background是CSS简写属性,用来集中设置各种背景属性。background可以用来设置一个或多个属性:background-color,background-image,background-position,background-repeat,background-size,background-attachment。 background将指定的背景属性设为明确给定的值,将没有指定的背景属性设为初始值。
background-size 指定了背景图片的尺寸,可取属性有如下几个: 一个固定的值:contain/cover/auto 一个固定值auto,一个具体数值 两个具体的数值 图片自身属性: 位图:例如jpeg,一般具有自身尺寸和自身比例 矢量图: 例如svg,一般不需要自身尺寸和自身比例。如果有,那么一定是既有自身尺寸,又有自身比例 ...
background-size 指定了背景图片的尺寸,可取属性有如下几个: 一个固定的值:contain/cover/auto 一个固定值auto,一个具体数值 两个具体的数值 图片自身属性: 位图:例如jpeg,一般具有自身尺寸和自身比例 矢量图: 例如svg,一般不需要自身尺寸和自身比例。如果有,那么一定是既有自身尺寸,又有自身比例 ...
The background shorthand CSS property sets all background style properties at once, such as color, image, origin and size, or repeat method. Component properties not set in the background shorthand property value declaration are set to their default valu
The background shorthand CSS property sets all background style properties at once, such as color, image, origin and size, or repeat method. Component properties not set in the background shorthand property value declaration are set to their default valu
The background shorthand CSS property sets all background style properties at once, such as color, image, origin and size, or repeat method. Component properties not set in the background shorthand property value declaration are set to their default valu
background属性是一个简写属性,它包括了多个子属性,如background-color、background-image、background-repeat、background-attachment、background-position和background-size等。通过这个属性,可以一次性设置元素的背景样式。 优势 简化代码:使用background属性可以减少CSS代码量,提高代码的可读性和维护性。