.container {
  display: flex;
  flex-direction: row-reverse;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
main {
  flex: 3;
  text-align: left;
}
aside {
  flex: 1;
  background-color: #fafafa;
  padding: 15px;
  border: 1px solid #ddd;
  margin-right: 20px;
  border-radius: 10px;
}
section {
  margin-bottom: 20px;
  padding: 15px;
  border: 1px solid #ddd;
  background-color: #fafafa;
  border-radius: 10px;
}

.ref li {
  list-style: none;
  padding-bottom: 9px;
}

aside a {
  text-decoration: none;
}

aside li {
  padding-bottom: 4px;
}

.stud {
  text-align: center;
  line-height: 0;
  background-color: #cbccc2ef;
  color: white;
  margin-top: 8px;
}

.top {
  position: fixed;
  bottom: 5%;
  right: 5%;
}

.top a {
  padding: 10px 20px; /* Adds padding for button-like feel */
  background-color: #007bff; /* Button color */
  color: white; /* Text color */
  text-decoration: none; /* Removes underline */
  border-radius: 20px; /* Rounds the corners */
  font-size: 12px; /* Adjust font size */
  font-weight: bold; /* Make the text stand out */
}

.top a:hover {
  background-color: #0056b3; /* Darker shade on hover */
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2); /* Adds a subtle shadow */
}

img {
  width: 90%;
}

section a {
  color: inherit;
  background-color: #ebffd9;
  padding: 6px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid #5fb00f75;
  border-width: 2px;
}
section a:hover {
  filter: brightness(0.9);
}