#page_not_found {
    text-align: center;
}
#page_not_found h2 {
    position: relative;
    font-size: 2.25rem;
}
.four-o-four {
    display: block;
    font-size: 2.5em;
    color: var(--blue);
    max-width: 300px;
    width: 100%;
    height: auto;
    margin: 0 auto 30px;
    font-weight: 400;
}
.four-o-four::before,
.four-o-four::after {
    content: "-";
    color: var(--light-blue);
}