<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Simple Interest Calculator</title>
<style>
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Arial', sans-serif;
background: linear-gradient(to right, #f06, #00c6ff);
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
overflow: hidden;
}
.container {
background-color: #fff;
padding: 40px;
border-radius: 15px;
box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
width: 350px;
text-align: center;
position: relative;
overflow: hidden;
}
.container::before {
content: '';
position: absolute;
width: 200%;
height: 100%;
background: #00c6ff;
z-index: -1;
top: 0;
left: -100%;
transform: translateX(0%);
transition: all 1s ease;
}
.container:hover::before {
transform: translateX(100%);
}
h1 {
color: #333;
margin-bottom: 20px;
}
input, button {
width: 100%;
padding: 10px;
margin: 10px 0;
border-radius: 5px;
border: 1px solid #ccc;
outline: none;
}
button {
background-color: #00c6ff;
color: white;
border: none;
cursor: pointer;
font-size: 16px;
transition: background-color 0.5s ease;
}
button:hover {
background-color: #005f73;
}
.result {
margin-top: 20px;
font-size: 18px;
color: #333;
display: none;
}
/* Animations */
.slide-down {
animation: slideDown 0.5s ease-out forwards;
}
@keyframes slideDown {
from {
opacity: 0;
transform: translateY(-30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.fade {
animation: fadeIn 1.2s ease-out forwards;
}
@keyframes fadeIn {
0% { opacity: 0; }
100% { opacity: 1; }
}
</style>
</head>
<body>
<div class="container fade">
<h1>Simple Interest Calculator</h1>
<input type="number" id="principal" placeholder="Enter Principal Amount" required>
<input type="number" id="rate" placeholder="Enter Interest Rate (%)" required>
<input type="number" id="time" placeholder="Enter Time (Years)" required>
<button onclick="calculateInterest()">Calculate</button>
<div class="result slide-down" id="result"></div>
</div>
<script>
function calculateInterest() {
let principal = document.getElementById("principal").value;
let rate = document.getElementById("rate").value;
let time = document.getElementById("time").value;
if (principal === '' || rate === '' || time === '') {
alert("Please fill out all fields.");
return;
}
let interest = (principal * rate * time) / 100;
let totalAmount = parseFloat(principal) + interest;
document.getElementById("result").innerHTML =
`<p>Simple Interest: NPR ${interest.toFixed(2)}</p>
<p>Total Amount: NPR ${totalAmount.toFixed(2)}</p>`;
document.getElementById("result").style.display = "block";
}
</script>
</body>
</html>
Bash