Element block pseudo-class :active generated with font-size 16px transition display block font-weight normal cursor default border 0px rgba(0,0,0,1) solid margin 0px height auto line-height 1 width 160px box-shadow 1px 1px 1px rgba(255,0,0,1) position static box-sizing content-box float none border-radius transform padding 20px overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) background z-index auto