css - Why is my Bootstrap code not working? - Stack Overflow
2012年9月29日 · Tonight I decided to give Bootstrap a try (only been doing CSS/HTML for about two weeks), but I'm running into a problem. For whatever reason, it doesn't seem like my HTML doc is linking to the Bootstrap stylesheet. I used one of their dropdown code snippets, but the end result isn't stylized. Can someone see if I'm doing something wrong?
Bootstrap: Centering Elements Vertically and Horizontally
Bootstrap 5 (Updated 2024) There are several suggestions involving bad practices, such as using pure CSS, a combination of Bootstrap classes with custom CSS, or even unnecessary Bootstrap classes. Below, you can find the minimum required code to achieve the desired result natively, with an in-depth analysis for those seeking a better understanding.
What is the difference among col-lg-*, col-md-* and col-sm-* in …
2013年11月8日 · Additionally, Bootstrap 4 includes new auto-layout columns. These also have responsive breakpoints (col, col-sm, col-md, etc..), but don't have defined % widths. Therefore, the auto-layout columns fill equal width across the row. Bootstrap 3. The Bootstrap 3 grid comes in 4 tiers (or "breakpoints")... Extra small (for smartphones .col-xs-*)
html - How can I change the Bootstrap default font family using …
2014年6月6日 · Because you are using compiled version of bootstrap (*.css) you are not able to change sass variables and only able to change css variables. If you are not using compiled version of bootstrap or using installed versions by package managements like (npm) or downloaded version which includes (*.scss) files:
Bootstrap: how do I change the width of the container?
In Bootstrap 3.0, the container class controls the width, and all of the contained styles adjust to fill the container. The container width variables are at the bottom of the variables.less file.
Left align and right align within div in Bootstrap
2013年9月7日 · In Bootstrap 4 the correct answer is to use the text-xs-right class. This works because xs denotes the smallest viewport size in BS. If you wanted to, you could apply the alignment only when the viewport is medium or larger by using text-md-right .
In a bootstrap responsive page how to center a div
2013年11月22日 · In bootstrap 4. to center the children horizontally, use bootstrap-4 class. justify-content-center to center the children vertically, use bootstrap-4 class. align-items-center but remember don't forget to use d-flex class with these it's a bootstrap-4 utility class, like so
Bootstrap: How do I identify the Bootstrap version?
Note that for older versions of Bootstrap (less than 3 or so), you'll probably need to search the page's JavaScript or CSS files for the bootstrap version. Just came across this on an app using Bootstrap 2.3.2.
Mark error in form using Bootstrap - Stack Overflow
2013年1月16日 · Bootstrap v2. See the live version on jsfiddle. The .error, .success, .warning and .info classes are appended to the .control-group. This is standard Bootstrap markup and styling in v2. Just follow that and you're in good shape.
Bootstrap 3 breakpoints and media queries - Stack Overflow
2017年5月28日 · Bootstrap does not document the media queries very well. Those variables of @screen-sm, @screen-md, @screen-lg are actually referring to LESS variables and not simple CSS. When you customize Bootstrap you can change the media query breakpoints and when it compiles the @screen-xx variables are changed to whatever pixel width you defined as ...