body {
  background-color: #006400; /* GROEN van Portugese vlag */
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  margin: 0;
  padding: 0;
}

/* CONTAINER */
#wrapper {
  width: 1000px;
  margin: 20px auto;
  background-color: #f5f5f5; /* WITTE CONTENT */
  padding-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

/* HEADER */
.header {
  background-color: #b22222; /* ROOD van Portugese vlag */
  color: white;
  padding: 20px;
  text-align: center;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

/* NAVIGATIE */
.topnav {
  display: flex;
  background-color: #e5e5e5;
}

.topnav a {
  flex: 1;
  color: #333;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  transition: 0.3s;
}

.topnav a:hover {
  background-color: #141313;
  color: white;
}

.topnav .focus {
  background-color: #b22222;
  color: white;
}

/* LAYOUT (FLEXBOX) */
.row {
  display: flex;
  gap: 15px;
  padding: 15px;
}

/* LINKER KOLOM */
.columnleft {
  flex: 3;
  background-color: #ffffff;
  padding: 15px;
  border-radius: 5px;
}

/* RECHTER KOLOM */
.columnright {
  flex: 1;
  background-color: #b22222; /* ROOD */
  color: white;
  padding: 15px;
  border-radius: 5px;
}

/* AFBEELDINGEN */
.responsive {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 15px 0;
}

/* LIJSTEN */
ul.voordelen {
  list-style-type: square;
  padding-left: 20px;
}

ul.voordelen li {
  margin-bottom: 8px;
}

/* TABELLEN */
table.temperaturen {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

table.temperaturen th {
  background-color: #b22222;
  color: white;
  padding: 10px;
  text-align: left;
}

table.temperaturen td {
  border: 1px solid #ccc;
  padding: 10px;
}

/* FOOTER */
footer {
  background-color: #add8e6;
  color: #800080;
  text-align: center;
  padding: 10px;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}