*{
    box-sizing: border-box;
}
body{
    background-color: #cde0f3;
    color: #444;
    display: flex;
    align-items: center;
    flex-direction: column;
    font-family: sans-serif;
    margin: 0;
    min-height: 100vh;
}
h1{
    color: #1e6bb8;
    font-size: 6rem;
    text-align: center;
    opacity: 0.4;
}
form{
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);

    max-width: 100%;
    width: 400px;
}
.input{
    border: none;
    color: #444;
    font-size: 2rem;
    padding: 1rem 2rem;
    display: block;
    width: 100%;
}
.input::placeholder{
    color: #d5d5d5;
}
.todos{
    background-color: #fff;
    padding: 0;
    margin: 0;
    list-style: none;

}
.todos li{
    border-top: 1px solid #e5e5e5;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 1rem 2rem;
}
.todos li.completed{
    color: #b5b5b5;
    text-decoration: line-through;
}
small{
    color: #b5b5b5;
    margin-top: 3rem;
    text-align: center;
}