/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
 * or any plugin's vendor/assets/stylesheets directory can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the bottom of the
 * compiled file so the styles you add here take precedence over styles defined in any styles
 * defined in the other CSS/SCSS files in this directory. It is generally better to create a new
 * file per style scope.
 *
 *= require scrivito
 *= require scrivito_section_widgets
 */

@import "bootstrap-sprockets";
@import "bootstrap";

.add-margin{
  margin-right: 100px;
  margin-left: 100px;
}

.fontsize-for-blog{
  font-size: 20px;
}

/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
 * or any plugin's vendor/assets/stylesheets directory can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the bottom of the
 * compiled file so the styles you add here take precedence over styles defined in any styles
 * defined in the other CSS/SCSS files in this directory. It is generally better to create a new
 * file per style scope.
 *
 *= require scrivito
 *= require scrivito_section_widgets
 */

@import "bootstrap-sprockets";
@import "bootstrap";

.add-margin{
  margin-right: 10%;
  margin-left:  10%;
}

.fontsize-for-blog{
  font-size: 120%;
}

Use percentage instead of pixels for CSS
Use percentage instead of pixels for CSS
