[Bootstrap] global style (V): bootstrap global style

[Bootstrap] global style (V): bootstrap global style

Secondary Style

1. Scene text color. text-muted. text-primary. text-success. text-info. text-warning. text-danger {color}

2. background color. bg-primary. bg-success. bg-info. bg-warning. bg-danger {color/background-color}

3. close & times; {padding/cursor/background/border/float/font-size/font-weight/color/opcity}

4. triangle symbol. caret {display/width/height/border-top/border-left/border-right}

5. Fast floating. pull-left. pull-right {float! Important}

6. center-block {display/margin-left/margin-right}

7. Clear floating. clearfix

8. Display and hide. show. hidden. invisible

9. screen reader and keyboard navigation. sr-only. sr-only-focusable {position/width/height/padding/margin/overflow/clip/border}

10. hide text. Replace the image with text-hide {font/color/background-color/text-shadow/border}

11. Responsive display and hiding

Ultra small <768 small> 768 medium> 992 large> 1200

. Visible-xs-* Hide and hide

. Visible-sm-* hide visible hidden

. Visible-md-* Hide hide visible hide

. Visible-lg-* Hide hide

. Hidden-sm visible hidden visible

. Hidden-md visible hidden visible

. Hidden-lg visible hidden

 

. Visible-**-*:. visible-**-block. visible-**-inline-block. visible-**-inline