7.8. Bootstrap5 image shape

发布时间 ： 2025-10-25 13:35:31 UTC      

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7.8.1. Rounded corner picture

.rounded class allows the picture to show a fillet effect:

Example 

<img src="cinqueterre.jpg" class="rounded" alt="Cinque Terre">

7.8.2. Ellipse picture

.rounded-circle class can set an oval picture:

Example 

<img src="cinqueterre.jpg" class="rounded-circle" alt="Cinque Terre">

7.8.3. Thumbnail image

.img-thumbnail class is used to set the picture thumbnail (the picture has a frame):

Example 

<img src="cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre">

7.8.4. Picture alignment

Use .float-start class to set the left alignment of the picture, using the .float-end class sets the right alignment of the picture:

Example 

<img src="paris.jpg" class="float-start">
<img src="cinqueterre.jpg" class="float-end">

7.8.5. The picture is centered

Use .mx-auto (margin:auto) and .d-block (display:block) class to set the picture center alignment:

Example 

<img src="paris.jpg" class="mx-auto d-block">

7.8.6. Responsive picture

Images come in a variety of sizes and we need to adapt automatically according to the size of the screen.

We can pass through the add to label .img-fluid class to setup responsive pictures.

.img-fluid class is set max-width: 100%; 、 height: auto; :

Example 

<img class="img-fluid" src="img_chania.jpg" alt="Chania">
文章链接 ： 7.8. Bootstrap5 image shape

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In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.