文字方向

div {
    direction: ltr; /* Default, text read read from left-to-right */
}
.ex {
    direction: rtl; /* text read from right-to-left */
}
.horizontal-tb {
    writing-mode: horizontal-tb; /* Default, text read from left-to-right and top-to-bottom. */
}
.vertical-rtl {
    writing-mode: vertical-rl; /* text read from right-to-left and top-to-bottom */
}
.vertical-ltr {
    writing-mode: vertical-rl; /* text read from left-to-right and top to bottom */
}

direction 屬性用於更改元素的水平文字方向。

語法：direction: ltr | rtl | initial | inherit;

writing-mode 屬性更改文字的對齊方式，因此可以從上到下或從左到右讀取，具體取決於語言。

語法：direction: horizontal-tb | vertical-rl | vertical-lr;