.stackedimg {
    position: relative;
    margin: auto;
    display: grid;
    width: 60%;
    justify-content: center;
}

.stackedimg img {
    position: absolute;
    width: 100%;
    height: 100%;
    /* opacity: 0%; must be in-lined */
}

.stackedimg .topimg {
    position: relative;
    /* opacity: 100%; must be in-lined */
}

h1 {
    margin-left: 15px;
    font-family: serif;
    font-style: italic;
    color: #2f6e70;
}

h1.sub {
    margin-left: 45px;
    font-size: 125%;
    font-family: sans-serif;
    text-decoration: none;
    font-style: italic;
    color: #6ca5a7;
}

h2 {
    background-color: #F0E68C; /* khaki */
}

body {
    font-family: sans-serif;
    max-width: 700px;
    margin: auto;
}

table {
    width: 100%;
}

th {
    text-align: left;
    padding: 10px;
    outline: 1px solid black;
    background-color: lightgray;
}

td {
    text-align: left;
    padding: 10px;
    min-width: 15%;
    outline: 1px solid black;
}