* {
box-sizing: border-box;
}
.bmi-container {
max-width: 400px;
width: 100%;
margin: auto;
background: white;
padding: 25px;
border-radius: 10px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
font-family: ‘Segoe UI’, sans-serif;
}
.bmi-container h2 {
text-align: center;
color: #4CAF50;
font-size: 24px;
margin-bottom: 25px;
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
font-size: 16px;
color: #333;
display: block;
margin-bottom: 5px;
}
.input-group input {
width: 100%;
padding: 12px;
border: 2px solid #ddd;
border-radius: 5px;
font-size: 16px;
transition: border-color 0.3s ease;
}
.input-group input:focus {
border-color: #4CAF50;
outline: none;
}
.btn {
background-color: #4CAF50;
color: white;
padding: 12px;
width: 100%;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
margin-top: 20px;
}
.btn:hover {
background-color: #45a049;
}
.result {
margin-top: 20px;
font-size: 18px;
text-align: center;
color: #333;
}
.result span {
font-weight: bold;
}
@media (max-width: 480px) {
.bmi-container {
padding: 20px;
}
.bmi-container h2 {
font-size: 20px;
}
.input-group input, .btn {
font-size: 15px;
}
.result {
font-size: 16px;
}
}
BMI ক্যালকুলেটর
function calculateBMI() {
const weight = parseFloat(document.getElementById(‘weight’).value);
const feet = parseFloat(document.getElementById(‘feet’).value);
const inches = parseFloat(document.getElementById(‘inches’).value);
if (isNaN(weight) || isNaN(feet) || isNaN(inches) || weight <= 0 || feet < 0 || inches < 0) {
document.getElementById('result').innerHTML = "অনুগ্রহ করে সঠিক তথ্য দিন!";
return;
}
const heightInInches = (feet * 12) + inches;
const heightInMeters = heightInInches * 0.0254;
const bmi = weight / (heightInMeters * heightInMeters);
let resultText = `আপনার বিএমআই: ${bmi.toFixed(2)}`;
if (bmi < 18.5) {
resultText += "
আপনার ওজন কম।”;
} else if (bmi >= 18.5 && bmi < 24.9) {
resultText += "
আপনার ওজন স্বাভাবিক।”;
} else if (bmi >= 25 && bmi < 29.9) {
resultText += "
আপনার ওজন অতিরিক্ত।”;
} else {
resultText += “
আপনার ওজন অত্যধিক।”;
}
document.getElementById(‘result’).innerHTML = resultText;
}