/* Importante font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
  
.container {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}
  
.container h1 {
    margin-bottom: 20px;
    color: #333;
}
  
.container form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
  
.container form input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}
  
.container form button {
    padding: 10px 20px;
    border: none;
    background-color: #28a745;
    color: #fff;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}
  
.container form button:hover {
    background-color: #218838;
}
  
.container ul {
    list-style: none;
}
  
li {
    background: #f9f9f9;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
  
li.completed {
    text-decoration: line-through;
    color: #777;
}
  
li button {
    background: none;
    border: none;
    color: #e74c3c;
    font-size: 18px;
    cursor: pointer;
    transition: color 0.3s;
}
  
li button:hover {
    color: #c0392b;
}