app/assets/stylesheets/variables.scss
// Colors
$theme-white: white;
$theme-red: #ef233c;
$theme-gray: #2b3c4e;
$theme-black: #1f242a;
$theme-blue: #bfe3ff;
$theme-darkblue: #222529;
$facebook-blue: #3b5998;
$google-plus-red: #dc4e41;
$github-blue: #4078c0;
$brand-primary: $theme-red;
$brand-success: #5cb85c;
$brand-info: $theme-gray;
$brand-warning: #f0ad4e;
$brand-danger: #d9534f;
// Typography
$font-weight-normal: 400;
$font-weight-semi-bold: 500;
$font-weight-bold: 700;
$font-family-sans-serif: 'Poppins', 'Helvetica Neue', Helvetica, sans-serif;
$headings-font-weight: $font-weight-bold;
$font-size-root: 16px;
$font-size-base: 1rem;
// Buttons
$btn-bg: transparent;
$btn-default-bg: $btn-bg;
$btn-default-border: #ccc !default;
$btn-primary-color: $brand-primary;
$btn-primary-bg: $btn-bg;
$btn-primary-border: $brand-primary;
$btn-success-color: $brand-success;
$btn-success-bg: $btn-bg;
$btn-success-border: $brand-success;
$btn-info-color: $brand-info;
$btn-info-bg: $btn-bg;
$btn-info-border: $brand-info;
$btn-warning-color: $brand-warning;
$btn-warning-bg: $btn-bg;
$btn-warning-border: $brand-warning;
$btn-danger-color: $brand-danger;
$btn-danger-bg: $btn-bg;
$btn-danger-border: $brand-danger;
$btn-font-size: 0.8rem;
$btn-padding-x: 24px;
$btn-padding-y: 10px;