html, body{
    background-color: transparent;
    color: inherit;
}
body{
    font-family: sans-serif;
    font-size: 12px;
}
.text-center{
    text-align: center;
}
*{
    font-size: 0.875rem; /* 14px */
    line-height: 1.25rem; /* 20px */
    text-align: justify;
    font-family: 'Roboto', sans-serif;
}
.dark{
    background-color: #1E1E1E;
    color: rgba(255, 255, 255, 0.50);
}
.light{
    background-color: #ECECEC;
    color:#000000;
}