You can how aspects of the bootstrap grid system work across multiple devices with a handy table.
Bootstrap grid gutter width.
The default bootstrap grid system utilizes 12 columns making for a 940px wide container without responsive features enabled.
This is because the viewport width is in pixels and does not change with the font size.
Refer to the grid options section table below for the default container width values.
With the responsive css file added the grid adapts to be 724px and 1170px wide depending on your viewport.
To define a 3 column grid you could use the customizer or download the source set your less variables and recompile.
Bootstrap 3 gutter size.
Rows b row and b form row.
Below 767px viewports the columns become fluid and stack vertically.
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.
Setting the fluid prop to a breakpoint name translates to the bootstrap class container breakpoint.
Why does bootstrap 3 force the container width to certain sizes.
Bootstrap 3 set container width to 940px maximum for desktops.
See how aspects of the bootstrap grid system work across multiple devices with a handy table.
The classes above can be combined to create more dynamic and flexible layouts.
Md for small laptops screens equal to or greater than 992px wide.
In bootstrap 3 the gutter is defined as 30px 15px on each side of a column.
Grid options while bootstrap uses ems or rems for defining most sizes pxs are used for grid breakpoints and container widths.
This is because the viewport width is in pixels and does not change with the font size.
Xs for phones screens less than 768px wide.
We actually ended up just downloading the bootstrap source unzipping it copying the source scss files into the assets folder then importing the bootstrap scss file in index js instead of the final bootstrap css file.
Rows are wrappers for columns each column has horizontal padding called a gutter for controlling the space between them.
Michael hanna commented a year ago.
Lg for laptops and desktops screens equal to or greater than 1200px wide.
Sm for tablets screens equal to or greater than 768px wide.
The bootstrap grid system has four classes.
While bootstrap uses ems or rems for defining most sizes pxs are used for grid breakpoints and container widths.
The issue i m running is that for example if i shrink my screen down to be tiny the gutters end up being wider than the columns themselves as seen below darker blue column lighter blue gutter.