.institute__grid,
.speciality__list,
.group__list {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  margin-bottom: 100px;
}

.institute__item,
.speciality__item,
.group__item {
  background: transparent;
  border: none;
  border-bottom: 1px solid grey;
  padding: 10px 5px;
  color: #428bca;
}

.institute__item:hover {
  background-color: #f5f5f5;
}
.speciality__item:hover {
  background-color: #f5f5f5;
}

.group__item:hover {
  background-color: #f5f5f5;
}

.schedule__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.schedule__controls {
  margin-top: 20px;
  display: flex;
  max-width: 800px;
  justify-content: space-between;
  align-items: center;
}

.schedule__nav-button {
  background: #f5f5f5;
  color: black;
  cursor: pointer;
}

.schedule__info {
  font-weight: bold;
}

.schedule__content {
  margin: 50px 0;
  max-width: 800px;
  text-align: center;
}

.refresh-button {
  margin-top: 40px;
  justify-self: center;
}

.subtitle {
  margin-top: 20px;
}

@media screen and (max-width: 768px) {
  .schedule__controls {
    flex-direction: column;
    gap: 20px;
  }
}