Boostrap 4 Funciones Principales
Margin y Padding El margen no afecta al elemento y el padding si
Where property is one of:
m- for classes that setmarginp- for classes that setpadding
Where sides is one of:
t- for classes that setmargin-toporpadding-topb- for classes that setmargin-bottomorpadding-bottoml- for classes that setmargin-leftorpadding-leftr- for classes that setmargin-rightorpadding-rightx- for classes that set both*-leftand*-righty- for classes that set both*-topand*-bottom- blank - for classes that set a
marginorpaddingon all 4 sides of the element
Ejemplo:
<h1 class="bg-success mt-5">Main</h1>
A todos los lados:
<h1 class="bg-success p-5">Main</h1>
Ancho de los elementos en porcentaje 25%:
<div class="bg-success w-25">Main</div>

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