body{
  margin: 0;
color:brown;
font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans serif;
}

header {
  width: 100%;
  background-color:#f5cea1;
  text-align: center;
  padding: 5px 0;
}

nav {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 5px;
  padding: 5px;
}

nav a:hover {
  background-color: gray;
  color: white;
}

.about-box {
background-color: #f5f4f3;
width: 60%;
margin: 30px auto;
padding: 30px;
border-radius: 20px;
text-align: center;
}

.about-box h2 {
  margin-top: 0;
}

.pictures {
  display: flex;
  justify-content: center;
  align-item: center;
  gap: 20px;
}

.pictures img {
  object-fit: cover;
  border-radius: 10px;
  max-width: 40%;
}

.about-text {
  width: 90%;
  margin: 20px auto;
  text-align: center;
}

.dropdown-content {
  display: none;
  position: absolute;
  z-index: 1;
}

.dropdown-content a {
  display: block;
  padding: 10px;
  text-decoration: none;
  color: brown;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.assignment-button {
  background-color: #f5d6b2;
  border: 2x solid brown;
  color: brown;
  padding: 15px 30px;
  text-align: center;
  text-decoration: none;
  display: block;
  font-size: 18px;
}

.assignment-page-button {
  background-color: #f5d6b2;
  color: brown;
  padding: 15px 30px;
  text-align: center;
  text-decoration: none;
  font-size: 18px;
  border-radius: 10px;
}

.assignment-button:hover {
  background-color: brown;
  color: white;
}

.assignment-page-button:hover {
  background-color: brown;
  color: white;
}

table, th, td{
    border:1px solid;
    padding: 10px;
    border-color:rgb(48, 12, 12)
}

table {
  border-collapse: collapse;
  width: 75%;
  margin: 20px auto;
}

th{
    height: 60px;
}

td{
    text-align: center;
}

h1{
    text-shadow: 2px 2px black;
    
}

div.card {
  width: 150px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  text-align: center;
}

div.header {
  background-color: #4CAF50;
  color: white;
  padding: 1px;
  font-size: 40px;
}

div.container {
  padding: 10px;
}

.button {
  background-color: #f8c080;
  border: none;
  color: brown;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 4px 2px;
  cursor: pointer;
  box-sizing: border-box;
}

.blue{
    color:aqua
}