CSS的属性 vertical-align 指定了内联（inline）元素或表格单元格（table-cell）元素的垂直对齐方式。要记住：vertical-align不影响块级元素中内容的对齐。(vertical-align要点It only applies to inline or inline-block elements 或table-cell元素It affects the alignment of the element itself, not its contents (except when applied to table cells)When it’s applied to
