.operation_btns {
    display: flex;
    flex-direction: column;
  }
  .operation_btns .first_line {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
  }
  .operation_btns .first_line .operation_text {
    font-weight: 500;
  }
  .operation_btns .first_line .btn {
    border: 1px solid #8f8f8f;
    border-radius: 5px;
    padding: 4px 12px;
    margin: 0 4px;
    cursor: pointer;
    transition: all 0.25s ease-out;
  }
  .operation_btns .first_line .btn:hover {
    color: #FF6600;
    border-color: #FF6600;
  }
  .text-center {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
  }
  .text-center .pagination {
    justify-content: space-evenly;
    display: flex;
  }
  .text-center .pagination li {
    margin: 0 20px;
  }
  .text-center .active {
    color: #FF6600;
  }