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