 flex-start;
                justify-content: center;
            }
            span.header-404 {
                color: #212121;
                font-family: "Karla", sans-serif;
                box-sizing: border-box;
                outline: none;
                font-size: 36px;
                font-weight: 300;
                line-height: 45px;
                text-transform: capitalize;
                margin-bottom: 20px;
            }
            span.message-404 {
                font-weight: 300;