app.css

.class1 {
  @charset "UTF-8";

  /*!
   * Bootstrap v4.5.0 (https://getbootstrap.com/)
   * Copyright 2011-2020 The Bootstrap Authors
   * Copyright 2011-2020 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */

  :root {
    --blue: #3490dc;
    --indigo: #6574cd;
    --purple: #9561e2;
    --pink: #f66d9b;
    --red: #e3342f;
    --orange: #f6993f;
    --yellow: #ffed4a;
    --green: #38c172;
    --teal: #4dc0b5;
    --cyan: #6cb2eb;
    --white: #fff;
    --gray: #6c757d;
    --gray-dark: #343a40;
    --primary: #3490dc;
    --secondary: #6c757d;
    --success: #38c172;
    --info: #6cb2eb;
    --warning: #ffed4a;
    --danger: #e3342f;
    --light: #f8f9fa;
    --dark: #343a40;
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --font-family-sans-serif: "Nunito", sans-serif;
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    font-family: sans-serif;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
}

.class2 {
  @charset "UTF-8";

  /*!
   * Bootstrap v4.5.0 (https://getbootstrap.com/)
   * Copyright 2011-2020 The Bootstrap Authors
   * Copyright 2011-2020 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */

  :root {
    --blue: #007bff;
    --indigo: #6610f2;
    --purple: #6f42c1;
    --pink: #e83e8c;
    --red: #dc3545;
    --orange: #fd7e14;
    --yellow: #ffc107;
    --green: #28a745;
    --teal: #20c997;
    --cyan: #17a2b8;
    --white: #fff;
    --gray: #6c757d;
    --gray-dark: #343a40;
    --primary: #007bff;
    --secondary: #6c757d;
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #343a40;
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    font-family: sans-serif;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }

  article,
  aside,
  figcaption,
  figure,
  footer,
  header,
  hgroup,
  main,
  nav,
  section {
    display: block;
  }

  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: left;
    background-color: #fff;
  }
}