Element block pseudo-class :active generated with height auto position static border 0px rgba(0,0,0,1) solid margin 23px width 160px float left line-height 1 border-radius overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default z-index auto font-size 16px transform display block font-weight normal box-sizing content-box transition background box-shadow 4px 7px 1px rgba(219,43,43,0.3) padding 40px