W3.CSS Utilities (Helpers)
Color Utilities (Helpers)
My container is green.
My container is red.
My container is light grey and my text color is blue.
Example
  <div class="w3-container w3-green">
   
  <p>I am green.</p>
  </div>
  
<div class="w3-container w3-red">
  <p>I am red.</p>
  </div> 
<div class="w3-container w3-light-grey">
  
	 <p class="w3-text-blue">My container is light grey and my text color is 
	 blue.</p>
</div>
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Padding Utilities (Helpers)
I have padding on all sides.
I have top and bottom padding.
Example
<div class="w3-padding-jumbo w3-blue">
 
<p>I have padding on all sides.</p>
</div> 
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Example
  <div class="w3-padding-16 w3-blue">
    <p>I have top and bottom padding.</p>
  </div> 
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Border Utilities
I have a left and right border
I have borders on all sides.
I have a red bottom border
I have rounded borders.
Example
<div class="w3-border-left w3-border-right">
  <p>I have a 
	left and right border.</p>
</div>
<div class="w3-border">
  <p>I have borders on all sides.</p>
</div>
	
<div class="w3-border-bottom w3-border-red">
  <p>I have 
	a red bottom border.</p>
</div>
	
<div class="w3-border 
	w3-round-xlarge">
  <p>I have rounded borders.</p>
</div>
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Size Utilities
I'm tiny (using w3-tiny)
I'm small (using w3-small)
I'm medium. The default.
I'm large (using w3-large)
I'm xlarge (using w3-xlarge)
Example
 <p class="w3-small">I'm small (using w3-small)</p>
 <p>I'm medium. The default.</p>
<p class="w3-large">I'm 
 large (using w3-large)</p>
<p class="w3-xlarge">I'm xlarge (using 
 w3-xlarge)</p>
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Margin Utilities
I have a 64px margin on all sides.
Example
<div class="w3-container 
 w3-margin-64">
  <p>I have a 64px margin on all sides.</p>
</div>
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Section Utilities
I have a 32px margin top and bottom.
I have a 32px margin top and bottom.
Example
<div class="w3-container 
 w3-secction-32">
  <p>I have a 32px margin top and bottom.</p>
</div>
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Round and Circle
Example
  <img class="w3-circle" 
src="img_car.png" alt="Car">
<div class="w3-round w3-teal 
	 w3-padding">Round</div>
<div class="w3-round-large w3-teal 
	 w3-padding">Rounder</div>
<div class="w3-round-xlarge w3-teal 
	 w3-padding">Rounder</div>
<div class="w3-round-jumbo w3-teal 
	 w3-padding">Roundest</div>
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Center
The w3-center class centers an element.
Example
<div class="w3-container w3-center w3-green">
  <p>The w3-center 
	class centers an element.</p>
  <img 
 class="w3-circle" 
src="img_car.png" alt="Car">
</div>  
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Floating Utilities
Example
     <div class="w3-container w3-light-grey">
  <div class="w3-left 
	 w3-red">Float left</div>
  <div class="w3-right w3-blue">Float 
	 right</div>
</div>
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Show/Hide Utilites
Note: Resize the browser window to understand how it works:
Example
     <p class="w3-hide-small">I will be hidden on small screens (phone)</p>
	 <p class="w3-hide-medium">I will be hidden on medium screens (tablet)</p>
<p class="w3-hide-large">I will be hidden 
	 on large screens (laptop/desktop)</p>
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