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