html, body {
    width: 100%;
    height: 100%;
    margin: 0;
}
body {
    font-family: "Open Sans", sans-serif;
    font-weight: 300;
    box-sizing: border-box;
}

.container {
    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 100%;
    min-height: 100%;
}

header, main, footer {
    grid-column-start: 1;
    grid-column-end: 1;
    text-align: center;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    margin-top: 1em;
    grid-row-start: 1;
    grid-row-end: 1;
}

header img {
    width: 100%;
    max-width: 600px;
}

header h1 {
    margin-top: 0;
}

main {
    grid-row-start: 2;
    grid-row-end: 2;
}

ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#tool-list li {
    padding: .5em;
    margin: .5em;
    border-radius: 1em;
    width: 300px;
    height: 260px;
}

#tool-list li:hover {
    background-color: #a1ccec;
}
#tool-list li:active {
    background-color: #0197d8;
}

#tool-list a:hover {
    text-decoration: none;
}

#tool-list img {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 1em;
}

footer {
    grid-row-start: 3;
    grid-row-end: 3;
    background: #2b2b2b;
    padding: 1em;
    margin: 0;
    color: #ddd;
    font-size: 10pt;
}

footer p, footer li {
    line-height: 0;
    padding: 0;
    margin-bottom: .5em;
}

footer li:not(:first-child):before {
    content: "\00a0|\00a0";
}

footer li a {
    color: inherit;
}

footer li a:visited {
    color: #a1ccec;
}