/* designed for a tiny screen of smart phones */

#wrapper {
    font-size: small;
}

#header span.text {
    display: none;
}

/* MathJax styles */

/* mathjax3 styles for inline maths for better balance with the font */
mjx-container {
}

/* mathjax2 styles for inline maths */
.MathJax {
}

/* mathjax2 styles for displayed maths */
.MathJax_Display {
}

/* no desktop */

#text-area {
    height: 100%;
}

#left-middle-right {
    display: grid;
    grid-template-columns: 0fr 1fr 0fr;
    grid-auto-rows: 1fr;
    align-items: stretch;
    justify-items: center;
    grid-gap: 10px;
    padding-bottom: 0;
    width: 100%;
    height: 100%;
    border-right: 20px;
    border-left: 20px;
}

#middle {
    width: 90%;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 20px;
    background-color: #fff;
    border-radius: 0px;
    line-height: 150%;
}