@font-face {
  font-family: "Lora";
  src: url("Lora-VariableFont_wght.ttf") format("truetype-variations");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lora";
  src: url("Lora-Italic-VariableFont_wght.ttf") format("truetype-variations");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

body {
    font-family: "Lora", serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
    color: #10263B;
}

#main {
    margin-left:auto;
    margin-right:auto;
    max-width:980px;
}

:is(h1, h2, h3, h4, h5, h6) {
    font-family: "Arial", sans-serif;
    font-style: bold;
}

header h1 {
    font-size: 2.4em;
}

header p {
    font-weight: 600;
}

h2 {
    font-size: 1.6em;
}

ul li ul li {
   margin: 0.5em;
}

summary {
    font-family: "Arial", sans-serif;
    font-style: bold;
    font-size: 1.4em;
}

details summary::marker {
  content: "+ ";
}

details[open] summary::marker {
  content: "− ";
}

header {
    background-color: #005597;
    background-image: image-set(
        url("header-800.webp") 1x,
        url("header-1600.webp") 2x,
        url("header-2400.webp") 3x
    );
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding-top:3em!important;
    padding-bottom:3em!important;
    text-align:center;
    text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

.line-break {
  display: block;
}