body {
    background-color: #eee;
}

main {
    max-width: 640px;
    margin: 40px auto;
}

.card-table {
    margin-bottom: 0;
}

h3::before {
    content: ' ';
    display: inline-block;
    width: 128px;
    height: 0.85em;
    background-image: url("just_logo.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    transform: translateY(2px);
}