Backgroundimagecover

2024年5月12日—AnothermethodtostretchabackgroundimageinCSSisbysettingthewidthandheightto100%.Unlikethecovermethod,thismethodstretches ...,Thecovervaluespecifiesthatthebackgroundimageshouldbesizedsothatitisassmallaspossiblewhileensuringthatbothdimensionsaregreaterthanor ...,2023年7月17日—Thebackground-sizeCSSpropertysetsthesizeoftheelement'sbackgroundimage.Theimagecanbelefttoitsnaturalsize,stret...

參考資訊如下
6 Ways to Stretch a Background Image with CSS

2024年5月12日 — Another method to stretch a background image in CSS is by setting the width and height to 100%. Unlike the cover method, this method stretches ...

Resizing background images with background-size

The cover value specifies that the background image should be sized so that it is as small as possible while ensuring that both dimensions are greater than or ...

background-size - CSS: Cascading Style Sheets

2023年7月17日 — The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, ...

Background-size- 金魚都能懂的CSS必學屬性

cover 的特性是讓背景圖整個「不變形」、「寬高等比例」、「在必要時局部裁切」的鋪滿整個容器空間，所謂的鋪滿空間，表示空間中不會有出現背景色這樣的範圍存在，「在必要 ...

Is there anyway to set background

2017年4月18日 — By setting the background size to cover you are giving the browser the prerogative to adjust the image until it completely covers the area; ...

Background Size

Use bg-cover to scale the background image until it fills the background layer. ... Use bg-contain to scale the background image to the outer edges without ...

HTML img 也能有bg

2020年3月26日 — 一說到讓不同寬高的圖片都可以填充在一區塊裡，大多數人應該都是先想到使用background-image + background-size: cover。

CSS background

Here we have two background images. We specify the size of the first background image with contain, and the second background-image with cover:.