#error_wrapper {
    display: flex;
    height: calc(100vh - 72px);
    width: 100%;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#error_header {
    text-align: center;
}
#error_content {
    width: 480px;
    margin: auto;
}
#error_goback {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
#bike_img img {
    position: absolute;
    left:0;
    width: auto;
    height: 350px;
}
#bike_img {
    height: 350px;
}