<label for="email">Enter your globex.com email:</label>

<input type="email" id="email"
       pattern=".+@globex.com" size="30" required>

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

input,
label {
    margin: .4rem 0;
}

.note {
    font-size: .8em;
}