body,
html {
    height: 100%;
}

.error-background {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 1) 25%, rgba(255, 255, 255, 1) 75%, rgba(0, 0, 0, 0) 100%);
    height: 100%;
}

.error-container {
    padding: 20px 0 40px;
    text-align: center;
}

.error-container h1 {
    font-size: 5em;
    font-weight: bold;
    color: #e74c3c;
}

.error-container p {
    font-size: 1.5em;
}

hr {
    border: 1px solid #aaa;
    width: 100%;
}