語法

彈性盒子flex

Setting how flex items grow or shrink.

Class	Declarations
`flex:value`	`flex: value;`

Conditionally apply

Apply styles based on different states using selectors and applying conditionally.

<div class="flex:0:hover flex:0@sm flex:0@dark flex:0@print">…</div>

Applying graphic effects to an element.

Setting the initial main size of a flex item.