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