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