div.sponsor {
    margin-top: 3ex;
    margin-bottom: 0ex;
}
p.sponsor {
    font-size: 100%;
    font-weight: normal;
}
div.sponsor-title-1 {
    font-size: 175%;
    font-weight: bold;
}
div.sponsor-title-2 {
    font-size: 175%;
    font-weight: bold;
}

div.sponsor-logo-and-caption {
    /*background-color: #BBCCDD; debug */
    display: grid; /* 2x1 grid of div.sponsor-logo + div.sponsor-caption */
    width: 250px;
    grid-template-columns: 1;
    grid-template-rows: 2;
    place-items: center;    
}

div.sponsor-logo {  /* row 1 of parent grid */
    display: grid; /* 1x1 grid itself, to allow vertical alignment */
    grid-template-columns: 1;
    grid-template-rows: 2;

    place-items: center;
    /*border: 1px solid; debug */
    height: 150px; 
    grid-column: 1; /* cell col within the parent grid */
    grid-row: 1;    /* cell row within the parent grid */
    padding: 20pt 10pt 0pt 10pt;
}

div.sponsor-logo > img {
    max-width: 100%;
    max-height: 150px;
}


div.sponsor-caption { /* row 2 of parent grid */
    /* border: 1px solid; debug */
    padding-top: 20px;
     /* from top of div-sponsor-logo */
    text-align: center;
    grid-column: 1;
    grid-row: 2;
}