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