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