.sparkles {
    --clr: 260;
    --shadows: 0%;
    --shadowl: 0%;
    font-size: 24px;
    line-height:50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 3em;
    background: linear-gradient(to right, rgba(111, 59, 248, 0.88), #304ee8);
    background-size: 200% 300%;
    background-position: 0% 0%;
    box-shadow: inset 0 0 2px hsla(var(--clr), 30%, 20%);
    place-items: center;
    place-items: center;
    padding: 0;
    position: relative;
    overflow: hidden;
    transform: translate(0px);

    transition: all 0.5s cubic-bezier(0.77, 0, 0.18, 1);

    box-shadow: 0 -0.5em 0.5em transparent, 0 0.5em 0.5em transparent, 0 0.5em 0.5em transparent, 0 0.5em 0.5em transparent,
        0 0.25em 0.3em -0.2em hsla(var(--clr), 0%, 0%, 0.5),
        0 0.35em 0.75em hsla(var(--clr), 0%, 0%, 0.75);
}

.sparkles::before,
.sparkles::after {
    --gradientPos: 50% 100%;
    content: " ";
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    height: 100%;
    transition: inherit;
}

.sparkles:before {
    inset: 0;
    position: absolute;
    transform: translate3d(0, 0, 0.01px);
    border-radius: inherit;

    background-image: var(--glitter), var(--glitter),
        linear-gradient(180deg, black 0%, white 80%);
    background-size: 300px 170px, 280px 130px, 200% 200%;
    background-blend-mode: multiply, multiply, overlay;
    background-position: 0px 0px, 0px 0px, var(--gradientPos);
    background-repeat: repeat;

    mix-blend-mode: color-dodge;
    filter: brightness(2) contrast(.75);
    animation: bubble 20s linear infinite;
    animation-play-state: paused;
    opacity: 0.5;
    box-shadow: inset 0 -8px 10px -7px hsla(var(--clr), 70%, 80%, 0.75);
}

.sparkles:after {
    background-image: radial-gradient(
            ellipse at center 70%,
            hsla(var(--clr), 100%, 99%, 0.8) 5%,
            hsla(var(--clr), 90%, 80%, 1) 20%,
            transparent 50%,
            transparent 200%
        ),
        linear-gradient(
            90deg,
            hsla(var(--clr), 80%, 10%, 1) -10%,
            transparent 25%,
            transparent 75%,
            hsla(var(--clr), 80%, 10%, 1) 110%
        );
    box-shadow: inset 0 0.25em 0.75em rgba(0, 0, 0, 1),
        inset 0 -0.05em 0.2em rgba(255, 255, 255, 0.4),
        inset 0 -1px 3px rgba(110, 67, 223, 0.88);
    background-blend-mode: darken;
    background-repeat: no-repeat;
    background-size: 180% 80%, cover;
    background-position: center 220%;
    mix-blend-mode: hard-light;
    filter: blur(5px);
    opacity: 0;
}

.sparkles:hover {
    --shadows: 90%;
    --shadowl: 80%;
    background-position: 100% 100%;

    transition: all 0.2s cubic-bezier(0.17, 0.84, 0.44, 1);

        box-shadow: 0 -0.2em 1.5em rgba(110, 67, 223, 0.88),
        0 0.5em 2em rgba(110, 67, 223, 0.88),
        0 0.25em 0.3em -0.2em hsla(var(--clr), 0%, 0%, 1),
        0 0.35em 0.75em hsla(var(--clr), 0%, 0%, 1),
        0 0.25em 0.5em -0.3em hsl(var(--clr), 30%, 99%, 1),
        0 0.25em 0.5em hsla(var(--clr), 20%, 30%, 0.35),
        inset 0 -2px 5px -2px rgba(255, 255, 255, 0.5);
}

.sparkles:hover:before {
    --gradientPos: 50% 50%;
    animation-play-state: running;
    filter: brightness(2) contrast(1);
    box-shadow: inset 0 -5px 10px -4px rgba(110, 67, 223, 0.88);
    opacity: .8;
}

.sparkles:hover:after {
    opacity: .8;
    transform: translateY(0px);
}

.sparkles span {
    grid-column: 1;
    grid-row: 1;
    background-image: linear-gradient(
        rgb(219, 224, 232) 0%,
        rgb(214, 222, 226) 19%,
        rgb(179, 191, 203) 30%,
        rgb(201, 209, 216) 43%,
        hsl(var(--clr), 70%, 70%, 1) 50%,
        hsl(var(--clr), 50%, 85%, 1) 52%,
        rgb(255, 255, 255) 100%
    );
    background-size: 1em 3.45em;
    color: rgb(214, 222, 226);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    filter: drop-shadow(0 0 0.05em black) drop-shadow(0 0.025em 0.05em black);
    transition-timing-function: inherit;
    transition-duration: inherit;
    transition-delay: 0s;
    padding: 0.75em 1.5em;
    transform: translateY(0);
}

.sparkles:active {
    transform: translateY(0.075em);
    box-shadow: 0 -0.2em 1.5em #15d2d4e0),
    0 0.5em 2em #15d2d4e0,
    0 0.15em 0.3em -0.2em hsla(var(--clr), 0%, 0%, 1),
    0 0.25em 0.75em hsla(var(--clr), 0%, 0%, 1),
    0 0.25em 0.5em -0.3em hsl(var(--clr), 30%, 99%, 1),
    0 0.25em 0.5em hsla(var(--clr), 20%, 30%, 0.45),
    inset 0 -2px 5px -2px rgba(255, 255, 255, 0.65);
    transition-duration: 0.1s;
}

.sparkles:active:before,
.sparkles:active:after {
    opacity: 1;
    filter: brightness(3) contrast(.75);
    animation-duration: 8s;
}
.sparkles:active:after {
    filter: brightness(1.35) contrast(.8) blur(5px);
}

:root {
    --glitter: url("https://assets.codepen.io/13471/silver-glitter-background.png");
}

@keyframes bubble {
    0% {
        background-position: 0px 340px, 0px 130px, var(--gradientPos);
    }
    100% {
        background-position: 0px 0px, 0px 0px, var(--gradientPos);
    }
}