Element button pseudo-element :before generated with box-sizing content-box overflow hidden background border 0px rgba(0,0,0,0) none float none transition height 10em z-index 0 box-shadow 0px 0px 1px rgba(0,0,0,0.5) font-weight normal status cursor pointer font-size 26px line-height 1 outline none padding 20px display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius opacity 1 margin 0px transform position static width 5em