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