html {
    font-size: 1.2em;
}

a {
    text-decoration: underline;
}

.box-topmost {
    max-width: 1024px;
    margin: auto; /* this centers the box */
    border-radius: 0 0 6px 6px;
}

.box-buttons {
    max-width: 1024px;
    margin: auto; /* this centers the box */
}

.box-buttons .column {
    margin-left: .75em;
    margin-right: .75em;
}

.box-buttons .column:last-child {
    margin-bottom: 1.5em; /* for other columns, margin is set in bulma.css */
}

.box-buttons .column h2 {
    margin-top: auto;
    margin-bottom: auto;
}

@media screen and (min-width: 1048px) {
    .box-topmost {
        margin-top: 1.5em;
        border-radius: 6px;
    }

    .box-buttons .column:first-child {
        margin-left: 0;
    }

    .box-buttons .column:last-child {
        margin-right: 0;
    }
}

.info-section {
    max-width: 1024px;
    margin: 2em auto;
    padding: 0 1.5em;
}

.info-heading {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: .75em;
}

.info-section p {
    margin-bottom: .5em;
    line-height: 1.6;
}

.steps-row .step-number {
    font-size: 2em;
    font-weight: bold;
    color: #00d1b2;
    margin-bottom: .25em;
}

.app-card {
    padding: 1em;
}

.app-thumb {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
    margin-bottom: .5em;
}

.advantage-item {
    padding: .75em 0;
}

.dev-section {
    border-top: 1px solid #ddd;
    padding-top: 2em;
    margin-top: 2.5em;
}

.footnotes, .page-footer {
    max-width: 1024px;
    margin: auto;
    padding: 1.5em;
    text-align: center;
    font-size: .9em;
}

.footnotes a {
    color: #4a4a4a;
}


.page-footer a {
    color: #4a4a4a;
    text-decoration: none;
}

.page-footer a:hover {
    text-decoration: underline;
}


/* smartphone border, credits to https://www.w3schools.com/howto/howto_css_devices.asp */
.smartphone { /* The device with borders */
    position: relative;
    width: 200px;
    height: 410px;
    margin: auto;
    border: 10px black solid;
    border-top-width: 36px;
    border-bottom-width: 36px;
    border-radius: 28px;
    box-shadow: 0 0 30px #555;
}
.smartphone:before { /* The horizontal line on the top of the device */
    content: '';
    display: block;
    width: 60px;
    height: 5px;
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #444;
    border-radius: 10px;
}
.smartphone .content { /* The screen (or content) of the device */
    width: 100%;
    height: 100%;
    background: black;
}

.smartphone:before { /* The horizontal line on the top of the device */
    width: 32px;
    height: 3px;
    top: -10px;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 5px;
}