body {
    margin: 0;
    min-height: 100vh;
    font-family: "SN Pro", sans-serif;
    font-optical-sizing: auto;
    background-color: #0E0E0E;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    position: relative;
    width: fit-content;
    color: #fff;
    height: 300px;
    width: 300px;
    background-color: #1a1a1a;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 2rem;
}

@property --angle {
    syntax: "<angle>";
    initial-value: 0deg;
    inherits: false;
}

.container::before,
.container::after {
    position: absolute;
    top: 50%;
    left: 50%;
    content: '';
    width: 100%;
    height: 100%;
    background-image: conic-gradient(from var(--angle), #fff, transparent 80%);
    z-index: -1;
    border-radius: 16px;
    padding: 4px;
    translate: -50% -50%;
    animation: 2.5s spin linear infinite;
}

@keyframes spin {
    from{
        --angle: 0deg;
    }
    to{
        --angle: 360deg;
    }
}

.container::before {
    filter: blur(1.5rem);
    opacity: 0.7;
}