+.center {
+ text-align: center;
+}
+.justify {
+ text-align: justify;
+}
+
+details {
+ margin: 1em 0;
+ padding: 0.5em;
+}
+details summary {
+ cursor: pointer;
+}
+
+sup, sub {
+ position: relative;
+ top: -0.4em;
+ vertical-align: baseline;
+}
+sub {
+ top: 0.4em;
+}
+
+/* TeX logos */
+.t-logo {
+ font-family: "Tex Gyre Termes", serif;
+ /* letter-spacing: 1px; */
+ white-space: nowrap;
+}
+.t-logo sup {
+ font-size: 0.85em;
+ letter-spacing: 1px;
+ margin-left: -0.36em;
+ margin-right: -0.15em;
+ text-transform: uppercase;
+ vertical-align: 0.15em;
+ top: 0;
+}
+.t-logo sub {
+ font-size: 1em;
+ margin-left: -0.1667em;
+ margin-right: -0.125em;
+ text-transform: uppercase;
+ vertical-align: -0.5ex;
+ top: 0;
+}
+
+blockquote#abstract {
+ font-size: 0.95em;
+ text-align: justify;
+}
+
+pre {
+ display: inline-block;
+ margin: 0.5em 0;
+ min-width: 100%;
+ padding: 1em;
+}
+pre:first-of-type {
+ margin-top: 0;
+}
+pre > code {
+ padding: 0;
+ background: initial;
+}