.error404 {
    .banner-bg {
        margin-top: -101px;

        // .xs-jumbotron-title {
        //     padding-top: 85px;
        // }
    }

    .error-page {
        .error-code {
            display: block;
            font-size: 150px;
            line-height: 150px;
            color: #333;
            margin-bottom: 20px;
            text-shadow: 5px 5px 1px rgba(0, 0, 0, 0.1);
        }

        .error-message {
            h3 {
                font-size: 24px;
            }
        }

        .error-body {
            margin-top: 20px;

            a.btn {
                margin-top: 20px;
                background-color: #042ff8;
                border-color: #042ff8;
                transition: all .5s;
                padding: 12px 30px;

                >i {
                    padding-right: 7px;
                }

                &:hover {
                    color: #fff;
                    background-color: #0069d9;
                    border-color: #0062cc;
                    transform: translateX(-5px);
                }
            }
        }
    }
}

• [F] _404.scss
  Delete