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