上下左右

定义

用于控制定位元素的位置的工具类。

工具类	属性
inset-0	`top: 0px; right: 0px; bottom: 0px; left: 0px;`
inset-auto	`top: auto; right: auto; bottom: auto; left: auto;`
inset-x-0	`left: 0px; right: 0px;`
inset-y-0	`top: 0px; bottom: 0px;`
top-0	`top: 0px;`
right-0	`right: 0px;`
bottom-0	`bottom: 0px;`
left-0	`left: 0px;`
top-px	`top: 1px;`
right-px	`right: 1px;`
bottom-px	`bottom: 1px;`
left-px	`left: 1px;`
top-0.5	`top: 2px;`
right-0.5	`right: 2px;`
bottom-0.5	`bottom: 2px;`
left-0.5	`left: 2px;`
top-1	`top: 4px;`
right-1	`right: 4px;`
bottom-1	`bottom: 4px;`
left-1	`left: 4px;`
top-1.5	`top: 6px;`
right-1.5	`right: 6px;`
bottom-1.5	`bottom: 6px;`
left-1.5	`left: 6px;`
top-2	`top: 8px;`
right-2	`right: 8px;`
bottom-2	`bottom: 8px;`
left-2	`left: 8px;`
top-full	`top: 100%;`
right-full	`right: 100%;`
bottom-full	`bottom: 100%;`
left-full	`left: 100%;`
top-auto	`top: auto;`
right-auto	`right: auto;`
bottom-auto	`bottom: auto;`
left-auto	`left: auto;`