body { min-width: 8em } hr { width: 100%; border: 0; height: 0; border-top: 1px solid rgba(0, 0, 0, 0.3); } button { width: 100%; background-image: linear-gradient(#EDEDED, #EDEDED 38%, #DEDEDE); border: 1px solid rgba(0,0,0,0.25); border-radius: 2px; outline: none; box-shadow: 0 1px 0 rgba(0,0,0,0.08), inset 0 1px 2px rgba(255,255,255,0.75); color: #444; text-shadow: 0 1px 0 rgb(240,240,240); font: inherit; user-select: none; }