#toggleButton {
  position: fixed ;
  top: 20px;
  right: 20px;
  padding: 10px 20px;
  background-color: #3498db;
  color: rgb(255, 255, 255);
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
#sidebar {
  position: fixed;
  top: 0;
  right: -500px;
  width: 300px;
  height: 100%;
  background-color: #f1f1f1;
  box-shadow: -2px 0 5px rgba(0,0,0,0.5);
  transition: right 0.3s ease;
  padding: 20px;
}
#sidebar.visible {
  right: 0;
}
#closeButton {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgb(255, 0, 0);
  color: white;
  border: none;
  border-radius: 5px;
  padding: 5px 10px;
  cursor: pointer;
}
body, html {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  color: black; 
}
header, footer {
  background-color: #ffffff;
  color: rgb(0, 0, 0);
  padding: 10px;
  text-align: left;
}
.main-content {
  flex: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  width: 50%;
  position: relative;
}
.container img {
  width: 100%;
  height: auto;
}
.text-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 2em;
  font-weight: bold;
  text-align: center;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
}
.text-overlay a {
  color: white;
  text-decoration: none;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 10px;
  border-radius: 5px;
}
.text-overlay a:hover {
  background-color: rgba(0, 0, 0, 0.8);
}