Element block pseudo-class :active generated with border-radius font-size 16px transition padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) background text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform box-sizing content-box font-weight normal display block margin 0px cursor default z-index auto width 160px float none overflow hidden line-height 1 position static border 0px rgba(0,0,0,1) solid height auto