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