.container{
  text-align: center;
}
.table-abstract, .table-themes {
  margin-left: auto;
  margin-right: auto;
  max-width: 500px;
}

.table-themes{
    font-weight: bold;
    font-size: 1.25rem;
}

.create-box {
  max-width: 232px; 
  height: 328px; 
  border: 2px solid black; 
  margin-left: auto; 
  margin-right: auto;
}

#topics-container h4{
  background: #4472C4;
  color: white;
  width: 60%;
  margin-left: auto;
  margin-right: auto;
  padding: 0.2rem;
}

table{
  font-size: 1.5rem;
}

#submission-btn {
    color: white;
    background: #4472C4;
    text-align: center;
    opacity: 90%;
    padding: 1rem;
    border: 2px solid grey;
    margin: 1rem auto;
    border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) calc(0.25rem - 1px) calc(0.25rem - 1px);
}