body {
    font-family: 'PT Serif', serif;
    font-size: 100%;
    font-size: 18px;
}

body, caption, th, td, input, textarea, select, option, legend, fieldset, h1, h2, h3, h4, h5, h6 {
  font-size-adjust: 0.5;
}

.main {
  font-size: 1em;
  line-height: 1.25;
}

@media (min-width: 43.75em) {
  .main {
    font-size: 1em;
    line-height: 1.375;
  }
}

h1 {
  font-size: 2em;
  line-height: 1.25;
}

@media (min-width: 43.75em) {
  h1 {
    font-size: 2.5em;
    line-height: 1.125;
  }
}

@media (min-width: 56.25em) {
  h1 {
    font-size: 3em;
    line-height: 1.05;
  }
}

h2 {
  font-size: 1.625em;
  line-height: 1.15384615;
}

@media (min-width: 43.75em) {
  h2 {
    font-size: 2em;
    line-height: 1.25;
  }
}

@media (min-width: 56.25em) {
  h2 {
    font-size: 2.25em;
    line-height: 1.25;
  }
}

h3 {
  font-size: 1.375em;
  line-height: 1.13636364;
  /* 25px / 22px */
}

@media (min-width: 43.75em) {
  h3 {
    font-size: 1.5em;
    line-height: 1.25;
  }
}

@media (min-width: 56.25em) {
  h3 {
    font-size: 1.75em;
    line-height: 1.25;
  }
}

h4 {
  font-size: 1.125em;
  line-height: 1.11111111;
}

@media (min-width: 43.75em) {
  h4 {
    line-height: 1.22222222;
  }
}

blockquote {
  font-size: 1.25em;
  line-height: 1.25;
}

@media (min-width: 43.75em) {
  blockquote {
    font-size: 1.5em;
    line-height: 1.45833333;
  }
}

/* ************ */
/* Main content */
/* ************ */

.main {
    margin-right: auto;
    margin-left: auto;
    padding-right: 1em;
    padding-left: 1em;
}

@media screen and (min-width: 48em) {
    .main {
        max-width: 44em;
        padding-right: 2em;
        padding-left: 2em;
    }
}

.main-title {
    font-family: 'Lato', serif;
}

.featured-image {
    margin: 1em 0;
}

.featured-image img {
    display: block;
    width: 100%;
    height: auto;
}

.image-caption {
    padding: .7em 1em;
    font-family: 'Lato', serif;
    font-weight: 400;
    font-size: 80%;
    background: hsl(0, 0%, 85%);
}