style.css

/* Common styles */
body {
        font-family: sans-serif;
        text-align:center;
        background-color:#FFFF80;
}

/* Table with data and with grid */
.data_table {
        border: 1px solid gray;
        border-collapse: collapse;
}
.data_table tr, .data_table td, .data_table th {
        border: 1px solid gray;
        padding: 0.5px 1em;
}

/* Popup QR from https://www.w3schools.com/css/css_tooltip.asp */

.url_with_qr_container {
        position: relative;
        display: inline-block;
        border-bottom: 1px dotted black;
}

/* Tooltip text */
.url_with_qr_container .qr {
        visibility: hidden;
        border: 1px solid #888;
        background-color: white;
        text-align: center;
        left: 50%;
        padding: 1em;
        border-radius: 6px;

        position: absolute;
        z-index: 1;
}

/* Show the tooltip text when you mouse over the tooltip container */
.url_with_qr_container:hover .qr {
        visibility: visible;
}

/* Coinimp miner style */
.coinimp_miner {
        background: #FFFF00;
        border: #AAAAAA;
        color: black;
}

.coinimp_miner td {
        padding: 0.1em 1em;
}