.keyboard { background-color: rgba(0, 0, 0, 255); color: #ffffff; font-family: cantarell, sans-serif; } .key { color: #dddddd; background: #464449; border-width: 0.5px; border-color: rgba(128, 128, 128, 255); border-radius: 2px; } .key:active { background-gradient-direction: vertical; background-gradient-start: rgba(0, 0, 255, 255); background-gradient-end: rgba(64, 64, 255, 255); border-color: rgba(160, 160, 255, 255); }