/* Core Styles */
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #333;
    color: #fff;
    font-size: 1.1em;
    line-height: 1.5;
    text-align: center;
  }
  
  img {
    display: block;
    width: 100%;
    height: auto;
  }
  
  h1,
  h2,
  h3 {
    margin: 0;
    padding: 1em 0;
  }
  
  p {
    margin: 0;
    padding: 1em 0;
  }
  
  .btn {
    display: inline-block;
    background: #333;
    color: #fff;
    text-decoration: none;
    padding: 1em 2em;
    border: 1px solid #666;
    margin: 0.5em 0;
  }
  
  .btn:hover {
    background: #eaeaea;
    color: #333;
  }
  
  /* Header Showcase */
  
  #showcase {
    min-height: 450px;
    color: #fff;
    text-align: center;
  }
  
  #showcase .bg-image {
    position: absolute;
    background: #333
      url("https://static.pexels.com/photos/248515/pexels-photo-248515.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 450px;
    z-index: -1;
    opacity: 0.4;
  }
  
  #showcase h1 {
    padding-top: 100px;
    padding-bottom: 0;
  }
  
  #showcase .content-wrap,
  #section-a .content-wrap {
    padding: 0 1.5em;
  }
  
  /* Section A */
  
  #section-a {
    background: #eaeaea;
    color: #333;
    padding-bottom: 2em;
  }
  
  /* Section B */
  
  #section-b {
    padding: 2em 1em 1em;
  }
  
  #section-b ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  #section-b li {
    margin-bottom: 1em;
    background: #fff;
    color: #333;
  }
  
  .card-content {
    padding: 1.5em;
  }
  
  /* Section C */
  
  #section-c {
    background: #fff;
    color: #333;
    padding: 2em;
  }
  
  /* Section D / Boxes */
  
  #section-d .box {
    padding: 2em;
    color: #fff;
  }
  
  #section-d .box:first-child {
    background: #2690d4;
  }
  
  /* Footer */
  
  #main-footer {
    padding: 2em;
    background: #000;
    color: #fff;
    text-align: center;
  }
  
  #main-footer a {
    color: #2690d4;
    text-decoration: none;
  }
  

  .buttonx {
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    padding: 12px 24px;
    border: 1px solid #1c5cca;
    border-radius: 8px;
    background: #2e96ff;
    background: -webkit-gradient(linear, left top, left bottom, from(#2e96ff), to(#1c5cca));
    background: -moz-linear-gradient(top, #2e96ff, #1c5cca);
    background: linear-gradient(to bottom, #2e96ff, #1c5cca);
    -webkit-box-shadow: #2a8aff 0px 0px 40px 0px;
    -moz-box-shadow: #2a8aff 0px 0px 40px 0px;
    box-shadow: #2a8aff 0px 0px 40px 0px;
    text-shadow: #123a7e 1px 1px 1px;
    font: normal normal bold 20px arial;
    color: #ffffff;
    text-decoration: none;
}
.buttonx:hover,
.buttonx:focus {
    border: 1px solid ##2373fc;
    background: #37b4ff;
    background: -webkit-gradient(linear, left top, left bottom, from(#37b4ff), to(#226ef2));
    background: -moz-linear-gradient(top, #37b4ff, #226ef2);
    background: linear-gradient(to bottom, #37b4ff, #226ef2);
    color: #ffffff;
    text-decoration: none;
}
.buttonx:active {
    background: #1c5cca;
    background: -webkit-gradient(linear, left top, left bottom, from(#1c5cca), to(#1c5cca));
    background: -moz-linear-gradient(top, #1c5cca, #1c5cca);
    background: linear-gradient(to bottom, #1c5cca, #1c5cca);
}

  /* Media Queries */
  
  @media (min-width: 700px) {
    .grid {
      display: grid;
      grid-template-columns: 1fr repeat(2, minmax(auto, 25em)) 1fr;
    }
  
    #section-a .content-text {
      columns: 2;
      column-gap: 2em;
    }
  
    #section-a .content-text p {
      padding-top: 0;
    }
  
    .content-wrap,
    #section-b ul {
      grid-column: 2/4;
    }
  
    .box,
    #main-footer div {
      grid-column: span 2;
    }
  
    #section-b ul {
      display: flex;
      justify-content: space-around;
    }
  
    #section-b li {
      width: 25%;
    }
  }