*{
    max-width: 640px;
    font-family: 'Roboto';
    margin: auto;
}

header{
    padding: 8px;
    text-align: center;
    background-color: rgb(77, 77, 221);
    color: #fff;
    font-weight: bold;
    border-bottom: 16px solid rgb(4, 78, 124);
    border-radius: 16px;
}

header h1 {
    font-size: 42px;
    text-transform: uppercase;
    font-style: italic;
}

header button{
    margin-top: 4px;
    font-size: 12px;
    padding: 4px 12px;
}

#cancelar{
    background-color: red;
}

form{
    padding: 16px 0px;
    background-color: rgb(215, 231, 245);
    text-align: center;
    border-radius: 16px;
    display: none;
    max-width: 100%;
}

input, button{
    padding: 8px;
    font-size: 16px;
    border: none;
    font-weight: bold;
    border-radius: 16px;
}

button{
    background-color: green;
    color: #fff;
    cursor: pointer;
}

ul{
    justify-content: center;
    flex-wrap: wrap;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

ul li{
    max-width: 100%;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    margin-top: 8px;
    list-style: none;
    padding: 16px;
    background-color: rgb(215, 231, 245);
    border-radius: 16px;
}

#listas li { 
    cursor: pointer; 
} 
    
#listas li.done { 
    text-decoration: line-through;
}