html, body, body > div {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: 'Montserrat', 'sans-serif';
}

.wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #424242;
}


.keyDisplay {
    display: inline-block;
    color: #5E5E5E;
    font: bold 20px arial;
    text-decoration: none;
    text-align: center;
    margin: 20px auto;
    padding: 15px 20px;
    background: #EFF0F2;
    border-radius: 4px;
    border-top: 1px solid #F5F5F5;
    box-shadow: inset 0 0 25px #E8E8E8, 0 1px 0 #C3C3C3, 0 2px 0 #C9C9C9, 0 2px 3px #333;
    text-shadow: 0px 1px 0px #F5F5F5;
}

.keyCodeDisplay {
    font-size: 30vmin;
}

.content {
    text-align: center;
}

.footer {
    display: block;
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
}