body {
    margin: 20px auto;
    max-width: 960px;
    line-height: 1.6;
    font-size: 1.2em;
    color: #444;
    background-color: #fff;
    padding: 0 1em;
}
h1, h2, h3 {
    line-height: 1.2;
}
hr {
    border: 0;
    border-top: 1px solid #ccc;
}

.site-title {
    display: flex;
    align-items: center;
    gap: 1em;
}
.site-title img {
    max-height: 2em;
}

.intro {
    background-color: #bad8f8;
    border-radius: 10px;
    padding: 1em;
    margin-bottom: 2em;
}
.card {
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 1em;
    margin-bottom: 2em;
}
.section {
    margin-bottom: 2em;
}

.product {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5em;
}
.product img {
    max-height: 2em;
    margin-right: 0.5em;
}
.product-name {
    font-size: 120%;
    font-weight: bold;
}
.note {
    font-size: 80%;
}

footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1em;
    margin-bottom: 1em;
}