body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #a363df;
}
.container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    background: rgb(51, 14, 94);
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
form {
    display: flex;
    flex-direction: column;
}
form input, form button {
    margin: 5px 0;
    padding: 10px;
    font-size: 16px;
}
ul {
    list-style-type: none;
    padding: 0;
}
li {
    background: #f1f2f3;
    margin: 5px 0;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
button.remove {
    background: red;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 10px;
}
h1 {
    color: white;
    text-align: center;
}
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    form input, form button {
        font-size: 14px;
    }
}