What is Col 4 Bootstrap?

Column classes indicate the number of columns you'd like to use out of the possible 12 per row. So, if you want three equal-width columns across, you can use .col-4 . Column width s are set in percentages, so they're always fluid and sized relative to their parent element.
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What does COL mean in Bootstrap?

Three Equal Columns

Use the . col class on a specified number of elements and Bootstrap will recognize how many elements there are (and create equal-width columns). In the example below, we use three col elements, which gets a width of 33.33% each. col. col.
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How does Col work in Bootstrap?

Some Bootstrap grid system rules:
  1. Rows must be placed within a . ...
  2. Use rows to create horizontal groups of columns.
  3. Content should be placed within columns, and only columns may be immediate children of rows.
  4. Predefined classes like . ...
  5. Columns create gutters (gaps between column content) via padding.
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What is Bootstrap 4 grid system?

Bootstrap 4 grid system built with flexbox which is fully responsive and scales up to 12 columns (according to the size of device) by creating layout with rows and columns across the page. It provides responsive, mobile first fluid grid system which scales the columns as the device or viewport size increases.
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What is Col Xs in Bootstrap?

The Bootstrap Col-XS (extra small) class applies a grid column class to an element when the screen is narrower than 576px. It is created by using Bootstrap col-xs-* in your code.
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Using the Bootstrap 4 Grid | BOOTSTRAP 4 TUTORIAL



How do I center COL in Bootstrap?

Use d-flex justify-content-center on your column div. This will center everything inside that column. If you have text and image inside the column, you need to use d-flex justify-content-center and text-center .
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What is Col-MD-4?

col-md-4: This class is used when the device size is medium or greater than 768px and the maximum width of container is 720px and you want the width equal to 4 columns. col-xs-1: This class is used when the device size is extra small (mobile) and when you want the width to be equal to 1 column.
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How do I use Col MD in Bootstrap 4?

The Bootstrap 4 grid system has five classes:
  1. col- (extra small devices - screen width less than 576px)
  2. col-sm- (small devices - screen width equal to or greater than 576px)
  3. col-md- (medium devices - screen width equal to or greater than 768px)
  4. col-lg- (large devices - screen width equal to or greater than 992px)
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What is Col MD in Bootstrap?

col-lg- stands for column large ≥ 1200px. col-md- stands for column medium ≥ 992px. col-xs- stands for column extra small ≥ 768px. The pixel numbers are the breakpoints, so for example col-xs is targeting the element when the window is smaller than 768px(likely mobile devices)...
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What is Col short for?

Col. is a written abbreviation for Colonel when it is being used as a title in front of someone's name. ... Col.
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What does COL auto mean?

If you use col-auto the width of the column will be the width of the contents in the column. You can even use a combination of both, like below. In this case the first column width will be equal to the contents of that column.
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What is Col SM offset 2?

Basically it pushes the cols to the right. So in your example, col-sm-offset-2 would push the element 2 columns to the right in 'md' view. So your element kinda starts at col-3. col-sm-2 on the other hand just tells the element how wide it is.
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What is Xs and MD in Bootstrap?

The Bootstrap 3 grid system has four tiers of classes: xs (phones), sm (tablets), md (desktops), and lg (larger desktops). You can use nearly any combination of these classes to create more dynamic and flexible layouts.
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What is MT and MB in Bootstrap?

OK now moving a little further in knowledge, bootstrap has more classes for margin including: mt- = margin-top mb- = margin-bottom ml- = margin-left mr- = margin-right my- = it sets margin-left and margin-right at the same time on y axes mX- = it sets margin-bottom and margin-top at the same time on X axes.
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What is Col lg Col SM?

If you choose col-lg, then the columns will stack when the width is < 1200px. If you choose col-md, then the columns will stack when the width is < 992px. If you choose col-sm, then the columns will stack when the width is < 768px. If you choose col-xs, then the columns will never stack.
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What is gutter in Bootstrap?

Gutters are the gaps between column content, created by horizontal padding . We set padding-right and padding-left on each column, and use negative margin to offset that at the start and end of each row to align content. Gutters start at 1.5rem ( 24px ) wide.
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What does MD do in Bootstrap?

The Bootstrap v4 grid system has five tiers of classes: xs (extra small), sm (small), md (medium), lg (large), and xl (extra large). You can use nearly any combination of these classes to create more dynamic and flexible layouts.
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What is this Bootstrap?

Bootstrap is a free and open source front end development framework for the creation of websites and web apps. The Bootstrap framework is built on HTML, CSS, and JavaScript (JS) to facilitate the development of responsive, mobile-first sites and apps.
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What is container fluid Bootstrap?

container-fluid: The . container-fluid class provides a full-width container which spans the entire width of the viewport. In the below example, the div with class “container-fluid” will take up the complete width of the viewport and will expand or shrink whenever the viewport is resized.
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What are rows and columns?

The key difference between columns and rows is that a column arranges data vertically from top to bottom, while a row arranges data horizontally from left to right. Rows and columns are different based on how they align data. Rows and columns are common concepts in computer science and data analytics.
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How do you use Col offset?

An offset is used to push columns over for more spacing. To use offsets on large displays, use the . col-md-offset-* classes.
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How do I center a column in Bootstrap 4?

There are multiple horizontal centering methods in Bootstrap 4...
  1. text-center for center display:inline elements.
  2. offset-* or mx-auto can be used to center column ( col-* )
  3. or, justify-content-center on the row to center columns ( col-* )
  4. mx-auto for centering display:block elements inside d-flex.
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What is Col lg class 4?

The Bootstrap grid system has four classes: xs (phones), sm (tablets), md (desktops), and lg (larger desktops). The classes can be combined to create more dynamic and flexible layouts.
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What is the difference between Col SM and COL MD?

If you choose col-lg, then the columns will stack when the width is < 1200px. If you choose col-md, then the columns will stack when the width is < 992px. If you choose col-sm, then the columns will stack when the width is < 768px. If you choose col-xs, then the columns will never stack.
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What is div class row?

In Bootstrap, the "row" class is used mainly to hold columns in it. Bootstrap divides each row into a grid of 12 virtual columns. In the following example, the col-md-6 div will have the width of 6/12 of the "row"s div, meaning 50%. The col-md-4 will hold 33.3%, and the col-md-2 will hold the remaining 16.66%.
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