Pregnancy Weight Gain Calculator h1 { color: black; text-align: center; } form { width: 400px; margin: 0 auto; text-align: left; } label { display: block; margin-bottom: 8px; } input[type="number"] { width: 100%; padding: 12px 20px; margin-bottom: 20px; box-sizing: border-box; border: 2px solid #ccc; border-radius: 4px; } input[type="submit"] { width: 100%; background-color: #4caf50; color: white; padding: 14px 20px; margin-bottom: 20px; border: none; border-radius: 4px; cursor: pointer; } #result { margin: 20px 0; padding: 20px; border: 2px solid #ccc; border-radius: 4px; text-align: center; } Pregnancy Weight Gain Calculator Enter your pre-pregnancy weight (in kilograms): Enter how many weeks pregnant you are: const form = document.querySelector('form'); form.addEventListener('submit', e = { e.preventDefault(); const prePregnancyWeight = document.querySelector('#pre-pregnancy-weight').value; const weeksPregnant = document.querySelector('#weeks-pregnant').value; const resultDiv = document.querySelector('#result'); let result = ''; if (prePregnancyWeight && weeksPregnant) { // Convert weight from kilograms to pounds const weightInPounds = prePregnancyWeight * 2.20462; // Calculate recommended weight gain based on pre-pregnancy weight and weeks pregnant if (weightInPounds