Element block pseudo-class :active generated with height auto box-shadow 0px 0px 6px rgba(0,0,0,0.5) transition font-size 16px border 0px rgba(0,0,0,1) solid border-radius position static font-weight normal cursor default box-sizing content-box line-height 1 background padding 0px float none margin 0px display block overflow visible width auto transform text-shadow z-index auto