style.css

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px rgba(255, 204, 0, 0.8);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
    }
}
body {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    margin: 50px;
    background: linear-gradient(to right, #ff9966, #ff5e62);
    color: white;
}
.container {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    display: inline-block;
}
input {
    padding: 10px;
    margin: 10px;
    width: 120px;
    border: none;
    border-radius: 5px;
    text-align: center;
}
button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background: #ffcc00;
    color: black;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    animation: pulse 1.5s infinite;
}
button:hover {
    background: #ffdd33;
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(255, 221, 51, 1);
}
ul {
    list-style-type: none;
    padding: 0;
    margin-top: 20px;
}
li {
    background: rgba(255, 255, 255, 0.3);
    padding: 10px;
    margin: 5px 0;
    border-radius: 5px;
}