* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.flexCenter {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

html,
body {
    width: 100vw;
    height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 22px;
}

@media only screen and (min-width: 768px) {
    html,
    body {
        font-size: 44px;
    }
}

section {
    width: 100vw;
    height: 100vh;
}

label {
    text-align: center;
    margin-bottom: 0.5rem;
}

input {
    font-size: 1rem;
    text-align: center;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    width: 90vw;
    letter-spacing: 5px;
    border-radius: 25px;
    outline: none;
}

input:hover,
input:focus {
    box-shadow: 2px 2px 10px #424242;
}

@media only screen and (min-width: 1024px) {
    input {
        width: 50vw;
    }
}

.phoneFormat {
    display: none;
    text-align: center;
    font-size: 0.75rem;
}

.block {
    display: block;
}

.invalid {
    color: red;
}