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