#bizcalcpro-wrapper{font-family:sans-serif;max-width:450px;margin:20px auto;border:1px solid #ccc;padding:20px;background:#fff;font-size:16px}.tabs{display:flex;justify-content:space-around;margin-bottom:15px}.tab-btn{color:#000!important;background-color:#eee;border:none;padding:10px;cursor:pointer}.tab-btn.active{color:#fff!important;background-color:#007cba}.tab-btn:hover{background-color:#ddd;color:#000}.tab-content{display:block;margin-top:10px}.tab-content.hidden{display:none}label{display:block;margin-bottom:8px}input{width:100%;padding:6px;margin-top:2px}button{margin-top:10px;padding:8px;background:#007cba;color:#fff;border:none;cursor:pointer}