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