#preloader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 9999;
    }

.calculator-card {
    transition: transform 0.3s;
}
.calculator-card:hover {
    transform: translateY(-5px);
}
.calculator-icon {
    font-size: 1.5rem;
    color: #007bff;
}



.calculator {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background-color: #f9f9f9;
}
.display {
    height: 60px;
    font-size: 24px;
    text-align: right;
    padding-right: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #ffffff;
}


#cal_body{

    width: 100%;
    padding: 20px;
    background: darkcyan;


}


.calc_container{

    margin: 0 auto;
    text-align: center;
    background: #eee;

}

#input_200px {
    max-width: 200px;
}


input[type="number"] {
    padding: 8px;
    width: 80%;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#result {
    margin-top: 15px;
    font-size: 1.2em;
}





.suggestion {
    color: #666;
}
.bmi-chart {
    margin-top: 20px;
    width: 100%;
}
.bmi-chart table {
    width: 100%;
    border-collapse: collapse;
}
.bmi-chart table, th, td {
    border: 1px solid #ddd;
}
.bmi-chart th, td {
    padding: 8px;
    text-align: center;
}
.bmi-chart th {
    background-color: #f4f4f4;
}
.bmi-chart td {
    background-color: #f9f9f9;
}