.container {
  margin: 0 auto;
}

.row {
  display: flex;
  justify-content: center;
}

.subject-title {
  font-size: 24px;
  text-align: center;
}

.grade-table {
  width: 33%;
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 16px;
  table-layout: fixed;
}

.table-header {
  background-color: #f2f2f2;
  text-align: center;
  padding: 10px;
}

.table-cell {
  text-align: center;
  padding: 10px;
}

.even-row {
  background-color: #f9f9f9;
}

.grades-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.grade {
  font-size: 14px;
  margin-left: 5px;
  margin-right: 5px;
}

.searchbar  {
  width: calc(100%/3);
  height: 40px;
  padding: 10px;
  margin: 20px;
  font-size: 14px;
  border: 1px solid #000;
  border-radius: 5px;
}