.calculator{background-color:#100f0f;border-radius:5px;padding:20px;margin:20px auto;max-width:600px}.calculator p4{text-align:center;margin-bottom:20px;color:#fff;font-weight:700;font-size:xx-large}.form-group{margin-bottom:15px}label{display:block;font-weight:700;margin-bottom:5px;color:#fff}.form-control{border-radius:5px;border:1px solid #ccc;padding:10px;width:100%}.btn{display:block;width:100%;margin-top:20px;padding:10px;background-color:#3a3a3a;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color 0.3s ease-in-out}.btn:hover{background-color:#1b1b1b}.result{margin-top:20px;text-align:center;font-size:18px}.result table{border-collapse:collapse;margin:auto;color:#fff}.result th,.result td{padding:10px;border:1px solid #ccc}.result th{background-color:#3a3a3a;color:#fff}.result td:first-child{font-weight:700;color:#fff}.result #emi{color:#FF8C00}