<button type="button"class="btn btn-primary">Primary</button><buttontype="button"class="btn btn-secondary">Secondary</button><buttontype="button"class="btn btn-success">Success</button><buttontype="button"class="btn btn-danger">Danger</button><buttontype="button"class="btn btn-warning">Wa...
float-left => float-start float-right=> float-end border-left => border-start border-right=> border-end rounded-left => rounded-start rounded-right=> rounded-end dropleft => dropstart dropright=> dropend dropdown-menu--left => dropdown-menu--start dropdown-menu--right => dropdown-me...
(@gutter / 2); padding-right: (@gutter / 2); // Calculate width based on number of columns available @media (min-width: @screen-sm-min) { float: left; width: percentage((@columns / @grid-columns)); } } // Generate the small column offsets .make-sm-column-offset(@columns) { ...
> <button type="button" class="btn btn-default">Left</button> <button type="button" class="btn btn-default">Middle</button> <button type="button" class="btn btn-default">Right</button> </div> Button toolbar Combine sets of <div class="btn-group"> into a <div class="btn-tool...
默认情况下,使用的是LTR,start代表的是left,end代表的是right。在RTL页面中,start代表的是right,end代表的是left。Bootstrap4中所有的左右类,如.text-left、.text-right、.float-left等,在Bootstrap5中为.text-start、.text-end、.float-start等。 (2) js插件...
(@gutter / 2); padding-right: (@gutter / 2); // Calculate width based on number of columns available @media (min-width: @screen-lg-min) { float: left; width: percentage((@columns / @grid-columns)); } } // Generate the large column offsets .make-lg-column-offset(@columns) { ...
float: right; } .testyan{ width: 500px; } label{ color: hotpink; } </style> </head> <body> <div style="margin-left: 0px; margin-top: 0px;"> <img src="img/1.png" width="100%" height="150px" /> </div> <div class="row"> ...
Bootstrap 框架中下拉菜单默认是左对齐,如果你想让下拉菜单相对于父容器右对齐时,可以在dropdown-menu上添加一个pull-right或者dropdown-menu-right类名。同时一定要为.dropdown添加float:leftcss 样式。 .dropdown{ float: left; }<divclass="dropdown"><buttonclass="btn btn-default dropdown-toggle"type="bu...
默认大小 <button class="btn btn-success btn-lg">button标签按钮</button>大按钮 <button class="btn btn-success btn-sm">button标签按钮</button>小按钮 <button class="btn btn-success btn-xs">button标签按钮</button>超小按钮 <button class="btn btn-success btn-block">button标签按钮</button>...
使用data-placement 属性来设定提示框显示的方向: top, bottom, left 或 right。 模态框(Modal) 例: 代码语言:javascript 代码运行次数:0 复制Cloud Studio 代码运行 <!-- 按钮:用于打开模态框 --> <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal"> 打开模态...