/* * {
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    background: #000;
    overflow: hidden;
} */

.glowing {
    position: relative;
    min-width: 700px;
    height: 550px;
    margin: -150px;
    transform-origin: right;
    animation: colorChange 5s linear infinite;
}

.glowing:nth-child(even) {
    transform-origin: left;
}

@keyframes colorChange {
    0% {
        filter: hue-rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
        transform: rotate(360deg);
    }
}

.glowing span {
    position: absolute;
    top: calc(80px * var(--i));
    left: calc(80px * var(--i));
    bottom: calc(80px * var(--i));
    right: calc(80px * var(--i));
}

.glowing span::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -8px;
    width: 15px;
    height: 15px;
    background: #f00;
    border-radius: 50%;
}

.glowing span:nth-child(3n + 1)::before {
    background: rgba(134, 255, 0, 1);
    box-shadow: 0 0 20px rgba(134, 255, 0, 1), 0 0 40px rgba(134, 255, 0, 1),
        0 0 60px rgba(134, 255, 0, 1), 0 0 80px rgba(134, 255, 0, 1),
        0 0 0 8px rgba(134, 255, 0, 0.1);
}

.glowing span:nth-child(3n + 2)::before {
    background: rgba(255, 214, 0, 1);
    box-shadow: 0 0 20px rgba(255, 214, 0, 1), 0 0 40px rgba(255, 214, 0, 1),
        0 0 60px rgba(255, 214, 0, 1), 0 0 80px rgba(255, 214, 0, 1),
        0 0 0 8px rgba(255, 214, 0, 0.1);
}

.glowing span:nth-child(3n + 3)::before {
    background: rgba(0, 226, 255, 1);
    box-shadow: 0 0 20px rgba(0, 226, 255, 1), 0 0 40px rgba(0, 226, 255, 1),
        0 0 60px rgba(0, 226, 255, 1), 0 0 80px rgba(0, 226, 255, 1),
        0 0 0 8px rgba(0, 226, 255, 0.1);
}

.glowing span:nth-child(3n + 1) {
    animation: animate 10s alternate infinite;
}

.glowing span:nth-child(3n + 2) {
    animation: animate-reverse 3s alternate infinite;
}

.glowing span:nth-child(3n + 3) {
    animation: animate 8s alternate infinite;
}

@keyframes animate {
    0% {
        transform: rotate(180deg);
    }
    50% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes animate-reverse {
    0% {
        transform: rotate(360deg);
    }

    50% {
        transform: rotate(180deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

/* ----- */

#navButton {
    box-shadow: 0px;
}

#navButton:hover {
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.5);
    transition: all ease-in-out 0.2s;
}

/* --------------------- */

/* LOADER */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
    transition: opacity 0.75s, visibility 0.75s;
    z-index: 1;
}

.loader-hidden {
    opacity: 0;
    visibility: hidden;
    display: none;
}

.loader::after {
    content: "";
    width: 75px;
    height: 75px;
    border: 15px solid #dddd;
    border-top-color: #002D71;
    border-radius: 50%;
    animation: loading 0.75s ease infinite;
}

@keyframes loading {
    from {
        transform: rotate(0turn);
    }

    to {
        transform: rotate(1turn);
    }
}

/* LOADER */