* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    background: black;
    overflow: hidden;
}

#container {
    width: 100%;
    height: 100%;
    background: black;
    position: relative;
}

/* central text */
.center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    font-family: 'Zalando Sans Expanded', sans-serif;
    font-size: 48px;
    letter-spacing: 6px;
    color: white;

    opacity: 0.92;
    user-select: none;
    pointer-events: none;

    text-shadow:
        0 0 14px rgba(255,255,255,0.18),
        0 0 36px rgba(255,255,255,0.06);
}

/* bottom text */
.bottom-text {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-family: 'Zalando Sans Expanded', sans-serif;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    user-select: none;
    pointer-events: none;
}

/* ripple effect */
.ripple {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple 0.7s ease-out forwards;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(2.8);
        opacity: 0;
    }
}