body {
      margin: 0;
      padding: 0;
      height: 100vh;
      overflow: hidden;
    }
    #main-section {
      background: url('gory.jpg') no-repeat center center fixed;
      background-size: cover;
	  height: 100%;
      position: relative;
    }
    .navbar {
      background-color: rgba(0, 0, 0, 0.5);
	  background-color: #0d1136;
    }
    .navbar-brand {
      color: white;
    }
    .navbar-nav {
      margin-left: auto;
    }
    .navbar-nav a {
      color: white;
    }
    #blue-footer {
      background-color: #0d1136;
      color: white;
      text-align: center;
      padding: 10px 0;
      position: absolute;
      bottom: 0;
      width: 100%;
    }
	.envelope {
      color: red;
    }
	.email-button {
	  padding: 0.5em 1em;
      border-radius: 5px;
      background-color: #007bff;
      color: #fff;
      border: none;
      cursor: pointer;
    }