body {
    margin: 0;
    background: transparent;
    font-family: sans-serif;
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px;
}

.row {
    display: flex;
    gap: 4px;
}

.key {
    height: 45px;
    background: #222;
    border: 2px solid #555;
    border-radius: 6px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    flex-shrink: 0;
}

.active {
    background: #00ff88;
    box-shadow: 0 0 12px #00ff88;
}

.w1    { width: 45px; }
.w1_25 { width: 57px; }
.w1_5  { width: 69px; }
.w1_75 { width: 81px; }
.w2    { width: 93px; }
.w2_25 { width: 105px; }
.w2_75 { width: 129px; }
.w6_25 { width: 289px; }

.base {
    position: absolute;
    bottom: 4px;
    right: 6px;
    font-size: 11px;
    color: white;
}

.shift {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: 10px;
    color: #bbb;
}

.tux-icon {
    width: 18px;
    height: 18px;
    position: absolute;
}