5、Sass $container-max-widths: ( sm: 540px, md: 720px, lg: 960px, xl: 1140px, xxl: 1320px ); // Source mixin @mixin make-container($padding-x: $container-padding-x){width:100%;padding-right:$padding-x;padding-left:$padding-x;margin-right:auto;margin-left:auto; }// Usage ....
1- 默认情况下)对于将margin或padding设置为$spacer * .25的类 2- 默认情况下)对于将margin或padding设置为$spacer * .5的类 3- 默认情况下)对于将margin或padding设置为$spacer的类 4- 默认情况下)对于将margin或padding设置为$spacer * 1.5的类 5- 默认情况下)对于将margin或padding设置为$spacer * 3的...
例: .city { 定义city类的css样式 float: left; 元素向左边移动 margin: 5px; 外边距为5px padding: 15px;内边距为15px width: 300px...container固定宽度并支持响应式布局的容器 进行bootstrap进行12栏栅格布局 盒子占屏幕的4栏范围 London London is the capital city of England...盒子占屏幕...
Bootstrap的间距工具类基于一个简单的系统,允许你通过添加前缀m(margin)或p(padding)以及一个方向(t-top, b-bottom, l-left, r-right, x-horizontal, y-vertical)和一个数值(0-5)来控制间距。 相关优势 响应式设计:间距类会根据屏幕尺寸自动调整。 易于使用:只需添加一个类即可应用间距,无需编写额外的CSS...
"margin-start":(responsive:true,property:margin-left,class:ms,values:map-merge($spacers,(auto:auto))),//Negativemarginutilities"negative-margin":(responsive:true,property:margin,class:m,values:$negative-spacers),"negative-margin-x":(responsive:true,property:margin-rightmargin-left,class:mx,...
.row上带有margin-left: -15px;margin-right: -15px;属性,你可以在.row上上定义.no-gutters属性,从而消除这个属性,使页面不会额外宽出30px,即
We set padding-right and padding-left on each column, and use negative margin to offset that at the start and end of each row to align content. Gutters start at 1.5rem (24px) wide. This allows us to match our grid to the padding and margin spacers scale. Gutters can be responsively...
Move columns to the right using.offset-md-*classes. These classes increase the left margin of a column by*columns. For example,.offset-md-4moves.col-md-4over four columns. .col-md-4 .col-md-4 .offset-md-4 .col-md-3 .offset-md-3 ...
5.案例:登录 <!DOCTYPE html> Title .c1{ position: fixed; left: 0; right: 0; margin: 0 auto; height: 350px; width: 500px; top: 200px; border: 1px solid #9d9d9d; padding: 20px; /*圆角边框*/ border-radius: 5px; /*阴影 参数:水平方向 垂直方向 模糊距离 颜色*/ box-sha...
$utilities:()!default;$utilities:map-merge((// ..."margin":(responsive:true,property:margin,class:m,values:map-merge($spacers,(auto:auto))),// ..."opacity":(property:o,class:opacity,state:hover,values:(0:0,25:.25,50:.5,75:.75,100:1,))// ...),$utilities); ...