html, body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-image: url("cover.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -10000000000;
}
.button {
    height: 100px;
    width: 300px;
    transition: 0.5s ease-out;
}
.button:hover {
    transform: scale(110%);
}
button {
    height: 100%;
    width: 100%;
    border-radius: 10000000px;
    border: none;
    background-color: rgb(190, 0, 0);
    font-size: 2em;
    font-family: "Stardos Stencil";
    font-weight: 400;
    font-style: normal;
    transition: 0.5s;
    position: relative;
}
button::after {
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    background-color:  rgb(190, 0, 0);
    border-radius: 10000000px;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    z-index: -1;
    filter: blur(1.5rem);
    padding: 5%;
}
button:hover {
    animation: shake 0.15s ease-in-out infinite;
}
@keyframes shake {
    0% {
        transform: rotate(3deg);
    }
    50% {
        transform: rotate(-3deg);
    }
    100% {
        transform: rotate(5deg);
    }
}