#center {

    background-image: url('img\1-300x225.jpg'); /* Replace with your image path */

    background-size: cover; /* Cover the entire section */

    background-position: center; /* Center the image */

    background-repeat: no-repeat; /* Prevent the image from repeating */

    padding: 150px 0; /* Add some padding for spacing */

}
.main_about{
    background-image: url(../img/111.jpg);
    background-position: center;
    }