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