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