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