HTML and CSS Certification 2025 – 400 Free Practice Questions to Pass the Exam

The property that is used to create grid layouts in CSS is indeed the grid-template-columns property. This property is part of the CSS Grid Layout module and allows you to define the number of columns in your grid and their respective sizes. By specifying the columns, you create a structure that can accommodate the grid items in a versatile and responsive manner.

When using grid-template-columns, you can set specific pixel values, percentages, or even use the fr (fraction) unit to create fluid layouts that adapt to different screen sizes. This property works in conjunction with other grid-related properties, such as grid-template-rows, to establish a complete grid system for your design.

In contrast, while the display property is essential for indicating that an element should behave as a grid container (using display: grid), it does not directly define the columns. The width property is used to control the width of an element and doesn't dictate the grid layout itself. The margin property, on the other hand, is concerned with the spacing around elements and also does not contribute to creating the grid structure. Thus, grid-template-columns is the most accurate choice for establishing grid layouts in CSS.