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