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