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