Regular bootstrap version below with kittens.
Bootstrap 4 row smaller gutters.
Layout and grid system.
Complete list of all bootstrap 4 classes.
Now it s time to look deeper at rows columns and exactly how they work together.
Use the powerful mobile first flexbox grid via the b container b row b form row and b col components to build layouts of all shapes and sizes thanks to a twelve column system five default responsive tiers css sass variables and mixins and dozens of predefined classes.
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.
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.
Less left and right margins than row overrides default column gutters try it.
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.
On layouts with div container paddings called gutters are set to left and right sides 15px each.
Makes an element look like a heading of the chosen class h1 h6.
That padding is offset in rows for the first and last column via negative margin on rows.
It s also important to mention that the row is display flex as flexbox children the columns in each row are the same height because of flexbox horizontal and vertical alignment align right center bottom etc is easily accomplished using bootstrap 4 s flex and auto margin utilityclasses.
Columns create gutters gaps between column content via padding.
Now here s our code for the no gutters class.
Predefined classes like row and col sm 4 are available for quickly making grid layouts.
Gutters are used for horizontal inner paddings for multi row layouts.
Small pagination each pagination link gets a smaller font.
This page also uses containers and has gutters on both sides.
All breakpoints extra small small medium large and extra large.
Grid columns are created by specifying the number of 12 available columns you wish to span.
Actual widths for inner elements are set to 30px smaller than breakpoint widths of div containers.
Complete list of all bootstrap 4 css classes with description and examples.
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.
