body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  color: #333;
}

header {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  z-index: 1000;
}

.menu {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 10px 0;
  margin: 0;
}

.menu li {
  margin: 0 15px;
}

.menu a {
  text-decoration: none;
  color: #333;
  font-size: 18px;
  position: relative;
  transition: color 0.3s;
}

.menu a:hover {
  color: #007bff;
}

.menu a:hover::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #007bff;
}

.menu a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #007bff;
  transition: width 0.3s;
}

.menu a:hover::after {
  width: 100%;
}

.content {
  position: absolute;
  top: 10%;
  height: auto;
  width: 100%;
  text-align: center;
  background-color: rgb(199, 199, 199);
}

#home {
  position: absolute;
  top: 90px;
  right: 5%;
  width: 500px;
  height: 400px;
  padding: 15px;
  background-color: rgba(231, 231, 231, 0.8);
  line-height: 2;
  border-radius: 10px;
  overflow-y: auto; /* Only vertical scroll */
  overflow-x: hidden; /* No horizontal scroll */

  scrollbar-width: thin; /* Firefox */
  scrollbar-color: #aaa transparent;
}

/* Chrome, Edge, Safari */
#home::-webkit-scrollbar {
  width: 6px;
}

#home::-webkit-scrollbar-track {
  background: transparent;
}

#home::-webkit-scrollbar-thumb {
  background-color: #aaa;
  border-radius: 3px;
}