Columns have horizontal padding to create the gutters between individual columns however you can remove the margin from rows and padding from columns with no gutters on the row.
Bootstrap 4 gutter between columns.
Recently i had a need to have a default grid in bootstrap but also on the homepage i needed to have 4 boxes that butted right up against each other.
You need to do this the other way.
To make the grid responsive there are five grid breakpoints one for each responsive breakpoint.
I think you have misunderstood about the gutters.
Each column has horizontal padding called a gutter for controlling the space between them.
Grid columns are created by specifying the number of 12 available columns you wish to span.
You should leave that div with only the col class.
Predefined classes like row and col sm 4 are available for quickly making grid layouts.
Bootstrap 3 and 4 both already have 30px gutters between columns.
In the example below we use three col elements which gets a width of 33 33 each.
That padding is offset in rows for the first and last column via negative margin on rows.
Bootstrap 5 comes with margin utilities.
Regular bootstrap version below with kittens.
This padding is then counteracted on the rows with negative margins.
That padding is offset in rows for the first and last column via negative margin on rows.
The problem in your code is you have used the blue class right in the divs with col class.
Offset md 3 means that the column moved by 3columns to the right if the viewport hits the md breakpoint or higher.
Grid columns are created by specifying the number of 12 available columns you wish to span.
Columns create gutters gaps between column content via padding.
To remove the gutter.
Use the col class on a specified number of elements and bootstrap will recognize how many elements there are and create equal width columns.
All breakpoints extra small small medium large and extra large.
Rows are wrappers for columns.
Have you ever wanted to remove the gutter space in between columns in bootstrap 3.
How to remove gutter space between columns in bootstrap 3.
This way all the content in your columns is visually aligned down the left side.
Now here s our code for the no gutters class.
I came up with a handy no gutters class which has some pretty basic css that you apply to your row tag holding your columns.
For example three equal columns would use three col sm 4.