.details-heading { font-size: 18px; font-weight: bold; margin-bottom: 5px; cursor: pointer; color: #333333;}.details-content { font-size: 15px; margin-bottom: 15px; display: none;}.model-number { font-weight: bold; margin-bottom: 20px;}.separator-line { margin-bottom: 2px; border-top: 1px solid #CCCCCC; width: 480px;}@media (max-width: 480px) { .separator-line { width: 100%; }}Model No.: AJ3101KEY FEATURES > 【GFRC&STEEL FRAME】What’s that? GFRC is glass fiber reinforced concrete and it is a composite. It is far superior to regular concret