所谓的负边距就是margin取负值的情况,如margin:-100px,margin:-100%。当一个元素与另一个元素margin取负值时将拉近距离。常见的功能如下:
CSS Grid布局同样具备强大的对齐能力,通过justify-items和align-items属性,我们可以控制网格项目在水平和垂直方向上的对齐方式。与Flex布局不同的是,CSS Grid布局还提供了更加精细的空间分配控制,通过grid-template-columns和grid-template-rows属性,我们可以精确地定义每一条网格轨道的大小,实现对网格空间的精确划分和分配。
align-items: baseline; // Stretches the flex items align-items: stretch; // Aligns the flex items at the top of the container align-items: flex-start; // Aligns elements at the bottom of the container align-items: flex-end; 例子: <!DOCTYPE html> < html > < head > < title >align...
.Center-Container.is-Inline { text-align: center; overflow: auto; } .Center-Container.is-Inline:after, .is-Inline .Center-Block { display: inline-block; vertical-align: middle; } .Center-Container.is-Inline:after { content: ''; height: 100%; margin-left: -0.25em; /* To offset spaci...
简而言之(TL;DR):绝对定位元素不在普通内容流中渲染,因此margin:auto可以使内容在通过top: 0; left: 0; bottom: 0;right: 0;设置的边界内垂直居中。 居中方式: 一、容器内(Within Container) 内容块的父容器设置为position:relative,使用上述绝对居中方式,可以使内容居中显示于父容器。
height: 250px; /* Set height of the container */ border: 1px solid black; /* Set border of the container */ display: -webkit-flex; /* Safari */ /* Use flexbox layout for WebKit browsers */ -webkit-align-items: baseline; /* Safari 7.0+ */ /* Align items based on their baselin...
Theflex-endvalue positions the flex items at the bottom of the container: .flex-container{ display:flex; height:200px; align-items:flex-end; } Result: 1 2 3 Try it Yourself » Example Thestretchvalue stretches the flex items to fill the container (this is equal to "normal" which is...
Bottom .container-elt { background-color: aliceblue; height: 96px; margin: 10px 0; } .item-elt { width: 150px; border: 3px solid #6266f1; text-align: center; } Top Middle Bottom Try it live For details on padding, see our CSS padding Property Reference....
align-self Specifies the alignment for selected items inside a flexible container all Resets all properties (except unicode-bidi and direction) animation A shorthand property for all the animation-* properties animation-delay Specifies a delay for the start of an animation animation-direction Specifies...
It has a sidebar that enables you to add or delete rows and columns. It also allows you to align the components of the container as per your preferences. You can use the appropriate options to justify items and manipulate the grid gaps. Pros: Overall, it is clean and gets the job done...