body {
    margin: 40px 20px;
}

main {
    margin: 20px;
}

button {
    border: 0;
    border-radius: 6px;
    background-color: #ccc;
    padding: 6px 12px;
    margin: 2px;
}

gmp-map {
    height: 400px;
    width: 100%;
}

.done {
    text-decoration: line-through;
}