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