body {
      font-family: 'Open Sans', sans-serif;
      background: #e9e7e4;
      color: #222;
      margin: 0;
      padding: 0;
    }

  header {
     background-color: #a8dfec;
     padding: 15px 20px;
     display: flex;
     justify-content: space-between;
     align-items: center;
  }

    header img {
      height: 100px;
    }

  .title-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.title {
  font-family: arial, sans-serif, serif;
  font-size: 50px;
  font-weight: bold;
  margin: 0;
}

.subtitle {
  font-size: 20px;
  margin: 0;
}

  /* Hamburger icon */
.hamburger {
  font-size: 30px;
  cursor: pointer;
  display: block;   /* always visible */
}

/* Navigation menu (hidden by default) */
.navbar{
  display:none;
  position:absolute;
  top:100px;
  right:20px;
  bottom:20px;          /* KEY: forces a height */
  width:200px;

  background:#a8dfec;
  border-radius:6px;
  box-shadow:0 4px 8px rgba(0,0,0,0.1);

  overflow-y:auto;      /* allows scrolling inside */
  overscroll-behavior: contain;
  z-index:9999;
}

.navbar a:last-child{ border-bottom:none; }


.navbar a:last-child {
  border-bottom: none;
}

.navbar a:hover {
  background-color: #88ccee;
}

    .footer {
       background-color: #a8dfec;
       color: black;
       text-align: center;
       padding: 30px 20px;
    }

    .footer img {
       height: 50px;
       margin: 10px;
       vertical-align: middle;
    }

    .footer p {
       margin-top: 15px;
      font-size: 14px;
      text-align: center;
    }

.navbar a {
  display: block;
  background-color: lightblue;
  color: #003344;
  text-decoration: none;
  padding: 12px 16px;
  margin-bottom: 10px;
  font-size: 18px;
  border-radius: 6px;
  text-align: center;
}

.navbar a:hover {
  background-color: #88ccee;
}