Element block pseudo-class :hover generated with box-sizing content-box margin 0px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block height 0px float left transition width auto font-size 21px transform overflow visible padding 4px background position relative line-height 1 z-index auto border 16px rgba(0,0,0,0) solid cursor default font-weight normal