body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f5f5f5;
}
.app {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0.1);
    width: 300px;
}

h1 {
    text-align: center;
    color: #333;
}

.input-area{
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

input[type="text"]{
    padding: 10px 20px;
    border: none;
    background-color: #4caf50;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:haver {
    background-color: #45a049;
}

li {
    background: #f9f9f9;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #ddd;
}

li button {
    background-color: #e74c3c;
    border: none;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

li button:hover {
    background-color: #c0392b;
}