Element block pseudo-class :active generated with font-weight normal box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 18px height auto cursor default border 0px rgba(0,0,0,1) solid z-index auto border-radius position static overflow hidden width 160px line-height 1 float none display block margin 0px transition transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px background