Here s an example of customizing the bootstrap grid at the large lg breakpoint.
Bootstrap gutter width change.
To change the gutters in a given row pair a negative margin utility on the row and matching padding utilities on the cols.
The mdb scss file imports the core bootstrap scss files during recompile but yet the change is not reflected.
See how aspects of the bootstrap grid system work across multiple devices with a handy table.
The container or container fluid parent may need to be adjusted too to avoid unwanted overflow using again matching padding utility.
Bootstrap 5 is in alpha when this is written and it s subject to change.
The bootstrap 4 grid system has five classes col extra small devices screen width less than 576px col sm small devices screen width equal to or greater than 576px col md medium devices screen width equal to or greater than 768px col lg large devices screen width equal to or greater than 992px col xl xlarge devices screen width equal to or greater than 1200px.
Choose from a responsive fixed width container meaning its max width changes at each breakpoint by default or fluid width meaning it s 100 wide all the time by setting fluid prop or responsive containers where the container is fluid up until a specific breakpoint requires bootstrap css v4 4.
For the variable to reduce the spacing grid gutter width.
The change is not reflected and the gutter spacing remains the same.
This is because the viewport width is in pixels and does not change with the font size.