._df_button {
    margin-bottom: 5px;
    
}
._df_button, ._df_thumb, ._df_custom {
    display: block !important;
}
.archive_sb {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  
}

._df_button {
    width: 25% ;
    
}


@media screen and (max-width: 600px) {
    ._df_button {
        width: 100% ;
        max-width: 400px;;
    }
  }