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