.btn {
    margin-left: 10px;
    margin-right: 10px;
  }
  table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
    border: 1px solid #ddd;
}

th, td {
    text-align: left;
    padding: 8px;
}
.inline {
  display: inline;
}
tr:nth-child(even){background-color: #f2f2f2}

.correctGreen {
  color: green;
}
.wrongRed{
  color: red;
}