html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
}

.div-preview {
    justify-content: center;
    align-items: center;
    display: flex;
}

.img-preview {
    transition: transform .2s;
    background-color: rgb(173, 173, 237);
    height: 100px;
    border-radius: 10px;
    border: 1px solid black;
}

    .img-preview:hover {
        transform: scale(3);
    }

table {
    width: 90%;
}

.grid-container {
    display: grid;
    grid-template-columns: auto auto;
    grid-gap: 20px;
}

.hover_img a {
    position: relative;
}

    .hover_img a span {
        position: absolute;
        display: none;
        z-index: 99;
    }

    .hover_img a:hover span {
        display: block;
    }


/* Tooltip container  */
/*.tooltip_simple {
    position: relative;
}

    .tooltip_simple .tooltiptext {
        visibility: hidden;
        width: 120px;
        background-color: black;
        color: #fff;
        text-align: center;
        padding: 5px 0;
        border-radius: 6px;
        Position the tooltip text - see examples below ! position: absolute;
        z-index: 1;
    }

    .tooltip_simple:hover .tooltiptext {
        visibility: visible;
    }*/

.tooltip_simple {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black; /* If you want dots under the hoverable text */
}

    /* Tooltip text */
    .tooltip_simple .tooltiptext {
        visibility: hidden;
        background-color: black;
        color: #fff;
        text-align: center;
        font-size: small;
        padding: 5px 0;
        border-radius: 6px;
        /* Position the tooltip text - see examples below! */
        top: -5px;
        right: 105%;
        width: 200px;
        position: absolute;
        z-index: 1;
    }

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