style.css

/*
Theme Name: B4
Theme URI: http://www.github.com/esiteq/b4/
Author: Taylor Young
Author URI: http://hyprtxt.com/
Description: A versatile and responsive Bootstrap WordPress starter theme FOR DEVELOPERS based on Alpha Twitter Bootstrap 4.
Version: 0.2.3
License: GPLv3
License URI: http://www.gnu.org/licenses/gpl.html
Tags: one-column, right-sidebar, responsive-layout, fluid-layout, custom-menu
Text Domain: bootstrap-four

bootstrapfour WordPress Theme, Copyright 2015 Taylor Young.
*/

/* The bootstrap.css file is auto-enqueued in functions.php, also font-awesome */

/* YOU SHOULD BE MAKING A CHILD THEME. Don't make me be the bad guy and erase all your hard work with a theme update. I don't want to destroy your world. A child theme template is in the works, watch the GitHub repo (https://github.com/Hyprtxt/bootstrapfour) to keep up with developments */


/* * * * * * * * * * * * * * *
 * WordPress Content Classes
 * * * * * * * * * * * * * * */

img {
  border: none;
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}
.size-auto,
.size-full,
.size-large,
.size-medium,
.size-thumbnail {
  max-width: 100%;
  height: auto;
}
.alignright {
  display: inline;
  float: right;
  margin: 0.4rem 0 1.6rem 1.6rem;
}
.alignleft {
  display: inline;
  float: left;
  margin: 0.4rem 1.6rem 1.6rem 0;
}
.aligncenter {
  display: block;
  margin: 0.4rem auto 1.6rem auto;
}
.wp-caption {
  max-width: 100%;
}
.wp-caption img[class*="wp-image-"] {
  display: block;
  margin: 0;
}
.wp-caption-text {

}
.sticky {
  background: #f7f7f9;
  padding: 1rem;
}
.bypostauthor {
  background: #f7f7f9;
  padding: 0.5rem;
}
.gallery-caption {
  font-weight: bold;
}
/* Text meant only for screen readers */
.says,
.screen-reader-text {
	clip: rect(1px, 1px, 1px, 1px);
	height: 1px;
	overflow: hidden;
	position: absolute !important;
	width: 1px;
}
/* * * * * * * * * * * * * * *
 * ??? profit
 * * * * * * * * * * * * * * */

body > nav.navbar {
  border-radius: 0;
}

.main-container {
  border-radius: .25rem;
  background: white;
  padding-top: 1rem;
  margin-bottom: 2rem;
}

.widget {
  margin-bottom: 2rem;
}

.post {
  margin-bottom: 2rem;
}

nav.navbar {
  margin-bottom: 2rem;
}