* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

.header {
  background-color: #e65b5b;
  color: white;
  text-align: center;
  padding: 80px;
}

.navbar {
  background-color: #333;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  position: fixed;
  width: 100%;
}

.navbar a {
  float: right;
  color: white;
  text-align: center;
  padding: 14px 20px;
  text-decoration: none;
}


.navbar a:hover {
  background-color: #ddd;
  color: black;
}


.navbar a.active {
  background-color: #e65b5b;
  color: white;
}


.projecten {
  margin: 0 auto;
  max-width: 800px;
  border: 3px solid #ccc;
  border-radius: 10px;
  padding: 20px;
}


.projecten h1 {
  background-color: #e65b5b;
  color: white;
  padding: 10px;
  margin-top: 0;
  text-align: center;
}


.projecten p {
  margin-top: 0;
  text-align: justify;
}

.projecten img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 100%;
}


footer {
  background-color: #f2f2f2;
  padding: 20px;
  text-align: center;
  font-size: 14px;
}

.project-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.project-nav button {
  background-color: #333;
  color: white;
  border: none;
  padding: 14px 20px;
  margin-right: 10px;
  cursor: pointer;
}

.project-nav button:hover {
  background-color: #ddd;
  color: black;
}

.project-nav button.active {
  background-color: #e65b5b;
  color: white;
}

.project-content {
  text-align: justify;
}

.project-content img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 100%;
}