Element button pseudo-class :hover generated with box-sizing content-box padding 1px width 20px font-weight normal opacity 1.00 transition box-shadow 0px 0px 2px rgba(0,0,0,0.5) transform height 20px background float none font-size 19px border-radius cursor pointer text-shadow 1px 1px 0px rgba(255,255,255,0.2) line-height 0px position static overflow visible z-index 1 display block outline none border 1px #000000 solid margin 0px