*, *::before, *::after {
    box-sizing: border-box;
}


body {
    padding-left: 20px;
    padding-right: 20px;
    vertical-align: middle;
    align-content: center;
    text-align:center;
}

    body > div {
        display:inline-block;
        padding: 60px;
        background-color: #FFF;
        box-shadow: 1px 1px 4px #808080;
    }

    body > div > table {
        text-align:left;
    }

@media(max-width:400px) {
    body > div {
        padding: 40px;
    }
}


.USC-Input-Code {
    height: 40px;
    font-size: 24px;
    text-align: center;
}

    .USC-Input-Code::-webkit-input-placeholder { /* Edge */
        font-size: 16px;
        color: #808080;
    }

    .USC-Input-Code:-ms-input-placeholder { /* Internet Explorer 10-11 */
        font-size: 16px;
        color: #808080;
    }

    .USC-Input-Code::placeholder {
        font-size: 16px;
        color: #808080;
    }