app.css

@import url('https://fonts.googleapis.com/css?family=Sarabun:300,600');

body {
    font-family: 'Sarabun', serif;
    font-weight: 300;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

b, strong, h4, h5, h6, .bold, th {
    font-weight: 600;
}

main {
    flex: 1 0 auto;
    min-height: 300px;
    padding-top: 15px;
    font-size: 18px
}

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

.footer-copyright a {
    color: lightgrey;
}

.fullwidth {
    width: 100%
}

footer img {
    height: 1.5rem;
    position: relative;
    top: 6px
}

.sector {
    margin: 0.5rem 0 1rem 0;
    border: 1px solid #e0e0e0;
    border-radius: 2px;
    background-color: #fff;
    line-height: 1.8rem;
    padding: 15px 25px 15px 15px;
    width: 100%
}

.minibox {
    font-size: 0.9rem;
    margin: 2rem auto auto;
    max-width: 550px;
    line-height: 1.8rem;
}

#mainBox {
    padding: 2.3rem 2.3rem 1rem 2.3rem; /* top-right-bottom-left */
    border-radius: 2px;
    margin: 1rem auto auto;
    color: #333333;
}

#howText,
#previousText {
    font-size: 0.9em;
}

ul .btn {
    margin-bottom: 0.8rem;
    width: 100%
}

#logo-container {
    font-size: 1.5rem;
}

ul.browser-default li {
    line-height: 2rem;
}