As the Web and Web design progressed, the markup language used to make it, known as HTML, became more complex and flexible. Things like tables, which could be used to display tabular information, were soon subverted for use as invisible layout devices. With the advent of Cascading Style Sheets (CSS), table based layout is increasingly regarded as outdated. Database integration technologies such as server-side scripting and design standards like CSS further changed and enhanced the way the Web was made.