.calculator-container{max-width:400px;margin:0 auto;text-align:center;padding:20px;background-color:#f2f2f2;border:1px solid #ccc;border-radius:5px}.calculator-container select{width:100%;padding:10px;margin-bottom:10px;border:1px solid #ccc;border-radius:3px}.calculator-container button{background-color:#0073e6;color:#fff;border:none;padding:10px 20px;cursor:pointer}.calculator-container button:hover{background-color:#005bb5}#fusionResult{text-align:left;padding-top:20px}