Element button pseudo-element :before generated with transition width 6em outline none background position static box-sizing content-box border-radius status opacity 1 box-shadow line-height 1.75em cursor default height 2em display block font-size 100% z-index auto float none font-weight 800 border medium rgb(112, 128, 144) inset text-shadow margin 0.5em transform padding 0px overflow visible