/* Тема Fire */
.fire-theme {
    background-color: #000000;
}

.fire-theme #clock {
    font-family: 'Alteran', monospace;
    color: #ffff00;
    font-size: 8vw;
    text-align: center;
    letter-spacing: 0.1em;
    user-select: none;
    white-space: nowrap;
    position: relative;
    z-index: 10;
    text-shadow:
        0 0 10px #ffff00,
        0 0 20px #ffaa00,
        0 0 30px #ff6600,
        0 0 40px #ff3300;
}

#fire-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.fire-theme #fire-canvas {
    opacity: 1;
}

@media (max-width: 768px) {
    .fire-theme #clock {
        font-size: 10vw;
    }
}