HTMLify

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    margin: 0;
    padding: 0;

    --white: #f2f5f5;
    --black: #121212;
    --blue: #308bd1;
    --gray: #959695;
}

body {
    height: 100vh;
    display: grid;
    place-items: center;
    margin: 0 auto;
    font-family: Montserrat, sans-serif;
    color: var(--white);
    background-color: var(--black);
}

.error__container {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 0 10px;
}

.error__code {
    width: 100%;
    margin: 0 auto;
    font-size: 6rem;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

p:first-of-type {
    animation: fall 1s linear;
    transform: rotateZ(-20deg);
}

p:last-of-type {
    animation: fall 1.8s linear;
    transform: rotateZ(8deg);
}

p:nth-of-type(2) {
    color: var(--blue);
    animation: bounce 1.2s 1.8s linear forwards;
    opacity: 0;
}

.error__title {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0 3%;
}

.error__description {
    font-size: 0.9rem;
    text-align: justify;
    line-height: 1.6;
    padding: 0 10%;
    color: var(--gray);
}

.action {
    font: inherit;
    padding: 10px 30px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    background-color: var(--blue);
    color: var(--white);
}

.action:hover {
    opacity: 0.8;
}

@media screen and (min-width: 48rem) {
    .error__description {
        padding: 0;
    }
}

@keyframes fall {
    0% {
        transform: translateY(-100vh);
    }

    100% {
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    40%,
    75%,
    95% {
        transform: translateY(0);
        opacity: 1;
    }

    15% {
        transform: translateY(-25px);
    }

    65% {
        transform: translateY(-15px);
    }

    85% {
        transform: translateY(-5px);
    }

    100% {
        transform: rotateZ(45deg);
        opacity: 1;
    }
}