Margin css

/* Apply to all four sides */
margin: 1em;
margin: -3px;

/* vertical | horizontal */
margin: 5% auto;

/* top | horizontal | bottom */
margin: 1em auto 2em; 

/* top | right | bottom | left */
margin: 2px 1em 0 auto;

/* Global values */
margin: inherit;
margin: initial;
margin: unset;

Source: developer.mozilla.org

Css margin

div.one {
  	margin: 20px; /* All around */
}
div.two {
	margin: 20px 10px; /* vertical | horizontal */
}
div.three {
	margin: 20px 10px 30px; /* top | horizontal | bottom */
}
div.four {
	margin: 20px 10px 30px 40px; /* top | right | bottom | left */
}

Css margin bottom

.yourClass {
  margin-bottom: 25px;
}

Margin css

      	                		  			Margin
			_____________________________________________________________________
			|   		 					Border								|	
			|			 ____________________________________________			|
  	  		|			 |					Padding 				|			|
	        |   		 |				_________________			|			|
	Margin	|	Border	 |	Padding		|	Content		|	Padding	| Border	|	Margin	
    	    |    		 |				_________________			|			|
   		    |   		 |					Padding					|			|
     		|    		 |__________________________________________|			|
        	|    		 					Border								|
        	|___________________________________________________________________|	
             								Margin

Html inline style margin

<div class="myClass" style="margin-top: 20px;">
<div class="myClass">
<div class="myClass" style="margin-bottom: 20px;">

Source: stackoverflow.com

Margin 30px auto

/* La propriété s'applique aux quatre côtés */
margin: 1em;

/* vertical | horizontal */
margin: 5% auto;

/* haut | horizontal | bas */
margin: 1em auto 2em;

/* haut | droit | bas | gauche */
margin: 2px 1em 0 auto;


/* Valeurs globales */
margin: inherit;
margin: initial;
margin: unset;

Source: developer.mozilla.org

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