<label for="movie">Choose a movie to upload:</label>

<input type="file"
       name="movie"
       accept="video/*">

<label for="poster">Choose a poster:</label>

<input type="file"
       name="poster"
       accept="image/png, image/jpeg">

label {
    display: block;
    margin-top: 1rem;
}

input {
    margin-bottom: 1rem;
}