.problem .problem__table table tr:first-child td{text-align:center;padding:20px;border:none;font-size:16px;font-weight:700}.problem .problem__table table tr td{border:none;padding:20px;font-size:16px;vertical-align:top}.problem .problem__table table tr:nth-child(2n) td{background-color:#f5f5f5}.section--gray .problem .problem__table table tr:nth-child(2n) td{background-color:#fff}