Element button pseudo-class :hover generated with background overflow visible transition height 17px line-height normal text-shadow -1px -1px 0px rgba(15,73,168,0.66) width 16px border-radius font-size 16px float none display inline-block font-weight normal box-sizing content-box cursor pointer padding 20px border 16px #018dc4 solid transform margin 0px position static box-shadow 2px 2px 2px rgba(0,0,0,0.2) z-index auto