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