.board-foot-calculator{max-width:400px!important;margin:20px auto;padding:15px;background:linear-gradient(135deg,#A6D5F7,#F2F9FF);border-radius:10px;box-shadow:0 4px 10px rgb(0 0 0 / .1);font-family:'Arial',sans-serif;color:#333;font-size:1em}.board-foot-calculator h2{text-align:center;margin-bottom:15px;font-size:1.5em;font-weight:700;color:#2C3E50}.board-foot-calculator label{display:block;margin:6px 0 4px;font-size:1em;font-weight:700}.board-foot-calculator .input-group{display:flex;align-items:center;margin-bottom:12px}.board-foot-calculator input,.board-foot-calculator select{padding:8px;margin:5px;border-radius:5px;border:2px solid #007BFF;font-size:1em;width:100%}.board-foot-calculator select{width:120px;font-size:1em}.board-foot-calculator input:focus,.board-foot-calculator select:focus{border-color:#0056b3;outline:none}.board-foot-calculator button{display:block;width:100%;padding:10px;background-color:#007BFF;color:#fff;font-size:1.1em;border:none;border-radius:5px;cursor:pointer}.board-foot-calculator button:hover{background-color:#0056b3}#board-feet-result{margin-top:15px;font-size:1.2em;font-weight:700;text-align:center;color:#2C3E50}#total-board-feet{color:#007BFF}