.error-page-404 h1 {
    font-size: 45px;
    font-weight: 700;
}
.error-page-404 h2 {
    margin: 0 0 10px;
    color: #ed3f38;
    font-size: 20px;
}
.error-page-404 p {
    font-size: 16px;
    color: #555555;
    margin: 10px 0 25px 0;
}

.error-page-404 a {
    text-transform: uppercase;
    margin-top: 30px;
    width: 276px;
}

.error-page-404 .blue-background {
    background-color: #139fda !important;
}

.error-page-404 .grey-background {
    background-color: #cccccc !important;
}

@media (max-width: 767px){
    .error-page-404 a {
        width: 100%;
        margin-top: 20px;
    }
}