.calculator{background-image:url('../images/calculatorhindibackground.jpg');background-size:cover;background-position:center;background-repeat:no-repeat;padding:20px 30px;border-radius:10px;box-shadow:0 10px 20px rgba(0,0,0,.2);text-align:center;max-width:400px;width:97%;margin:30px auto}.calculator h1{margin-bottom:10px;font-size:24px;color:#333}.calculator p{margin-bottom:20px;font-size:16px;color:#555;line-height:1.5}.input-group{margin-bottom:15px}.input-group label{display:block;font-weight:700;margin-bottom:5px;color:#555}.input-group .date-box{display:flex;justify-content:space-between;gap:5px}.input-group input[type=number],.input-group select{flex:1;padding:10px;border:2px solid #ddd;border-radius:5px;font-size:16px;outline:0;transition:border .3s}.input-group input[type=number]:focus,.input-group select:focus{border-color:coral}.calculate-btn{background:coral;color:#fff;border:none;padding:10px 20px;font-size:16px;font-weight:700;border-radius:5px;cursor:pointer;transition:transform .2s,box-shadow .2s;display:inline-block}.calculate-btn:active{transform:scale(.95);box-shadow:inset 0 3px 6px rgba(0,0,0,.3)}.calculate-btn:hover{background:#ff6333}.result{margin-top:20px;font-size:18px;color:#333;font-weight:700}