body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    animation: fadeIn 0.3s ease-out;
    background-image: url("pexels-polina-kovaleva-5717479.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;

}

.container {
    padding: 20px;
    border-radius: 60px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 700px;
    height:500px;
    text-align: center;
    color:blue;
    animation: slideIn 0.5s ease-out;
    background-image: url("360_F_513597277_YYqrogAmgRR9ohwTUnOM784zS9eYUcSk.jpg");
    background-size: cover;
    background-position: center;
}

h1 {
    animation: slideIn 0.6s ease-out;
    margin-top: 30px;
    margin-bottom: 40px;
}

input {
    width: calc(100% - 22px);
    padding: 10px;
    border-radius: 40px;
    border: 1px solid #ccc;
    margin-bottom: 30px;
    animation: slideIn 0.7s ease-out;
    }

button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background-color:blue;
    color: white;
    cursor: pointer;
    animation: slideIn 0.7s ease-out;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background-color: #f8f9fa;
    padding: 10px;
    margin: 5px 0;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li.completed {
    text-decoration: line-through;
    color: gray;
}

button.delete {
    background-color: #dc3545;
    margin-left: 10px;
}

@keyframes fadeIn {
    from {
        opacity: 0.5;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}