#header {
    height: 18vh;
    width: 80vw;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10vw;
    z-index: 1;
    margin-top: 50px;
    margin-bottom: 50px;
    margin: 120px;
    flex-direction: column;
}
#headertextc {
    background-color: black;
    position: relative;
    border-radius: 16px;
    padding: 10px;
}
#notes {
    font-size: 10px;
    margin-top: 30px;
    opacity: 0.5;
    user-select: none;
}
@property --angle {
    syntax: "<angle>";
    initial-value: 0deg;
    inherits: false;
}
#headertextc::after, #headertextc::before {
    content: '';
    width: 100%;
    height: 100%;
    background-image: conic-gradient(from var(--angle), #ff4545, #00ff99, #006aff, #ff0095, #ff4545);
    /* background-image: conic-gradient(from 0deg,#ef5350, #f48fb1, #7e57c2, #2196f3, #26c6da, #43a047, #eeff41, #ff5722); */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    z-index: -1;
    padding: 8px;
    border-radius: 24px;
    animation: 3s spin linear infinite;
}
#headertextc::before {
    filter: blur(40px);
}

@keyframes spin {
    from {--angle: 0deg}
    to {--angle: 359deg}
}