<label for="start">Дата початку:</label>

<input type="date" id="start" name="trip-start" value="2018-07-22" min="2018-01-01" max="2018-12-31" />

label {
    display: block;
    font: 1rem 'Fira Sans', sans-serif;
}

input,
label {
    margin: 0.4rem 0;
}