.calc-container{margin:auto;max-width:600px;padding:20px}.calc-container h2{color:#43ad50}.calc-container label{display:block;font-weight:700;margin-top:10px}.calc-container input,.calc-container select{border:1px solid #ccc;border-radius:4px;margin-bottom:15px;margin-top:5px;padding:8px;width:100%}.calc-container button{background-color:#43ad50;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:16px;padding:10px 20px}.calc-container button:hover{background-color:#369c45}.calc-container .result{background-color:#fff;border:1px solid #ccc;border-radius:4px;margin-top:20px;padding:15px}.calc-container .best{color:#43ad50;font-weight:700}.calc-container .tabs{display:flex;justify-content:space-around;margin-bottom:20px}.calc-container .tab{background-color:#fff;border:1px solid #43ad50;border-bottom:none;cursor:pointer;flex:1;padding:10px;text-align:center}.calc-container .tab.active{background-color:#43ad50;color:#fff}.calc-container .tab-content{display:none}.calc-container .tab-content.active{display:block}