html,
body {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

#back-btn {
  background-color: white !important;
  color: #005ca9 !important;
  border: 1px solid #005ca9 !important;
}

#back-btn:hover {
  background-color: #005ca9 !important;
  color: white !important;
}

#course-logo {
  padding: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#main-content {
  flex: 1;
}

#course-register-link {
  margin-top: 10px;
  background-color: #005ca9 !important;
}