.table {
  margin-bottom: 2ex;
}

.table tr {
  border-bottom: 1px solid #aaa;
}

.table td {
  padding-right: 10px;
  vertical-align: top;
}

.table td:last-child {
  padding-right: 0;
}

.table_label {
  font-style: italic;
}

.question:not(.for-solution) {
  padding: 1ex;
  background: #ddd;
  margin-top: 2em;
  margin-bottom: 2em;
  position: relative;
}
.question p {
  padding: 0;
  margin: 0;
  font-weight: 400;
}
.question .question-text {
  font-weight: 600;
  margin: 1ex 1em 1.5ex 1em;
}

.solution {
  margin-top: -1.5em;
  margin-bottom: 1em;
  text-align: end;
}

.solution .solution-icon {
  width: 1em;
  height: 1em;
  display: block;
  margin-right: 0.35em;
}

.question .question-picture {
  max-width: 100%;
  margin-bottom: 1em;
}
.question .question-picture img {
  max-width: 100%;
}
.question .answers {
  margin-top: 1ex;
  display: grid;
  grid-template-columns: repeat(1, 100%);
  grid-gap: 1ex;
  align-items: start;
}

.question.layout-not-found {
  background: #f88;
}
.question.layout-not-found .question-text {
  margin-bottom: 1ex;
}
.question.layout-not-found .answers {
  display: none;
}

.question.layout-2 .answers,
.question.layout-6 .answers,
.question.layout-8 .answers {
  grid-template-columns: repeat(2, calc(50% - 1ex / 2));
}

.question .answers button {
  background: #fff;
  border: 0;
  cursor: pointer;
  padding: 1ex 1em;
  font-size: 100%;
  text-align: left;
  position: relative;
  line-height: 133%;
  font-family: Roboto, sans-serif;
  font-weight: 400;
}
.question .answers button:focus {
  outline: 0;
}
.question .answers img {
  max-width: 100%;
}
.question .answers button .result {
  display: none;
}
.question .answers button.correct {
  background: #3bb583;
}
.question .answers button.wrong {
  background: #fe756c;
}

.question .answers button.correct .result,
.question .answers button.wrong .result {
  position: absolute;
  right: 0;
  bottom: 0;
  display: block;
}

figure {
  margin-bottom: 6ex;
}

figure img {
  min-width: min(59.3%, 800px);
  max-width: min(59.3%, 800px);
  max-height: 50vh;
  object-fit: contain;
}

figcaption {
  font-style: italic;
  margin-bottom: 6ex;
}

.qso_own,
.qso_other {
  background: #ddd;
  display: inline-block;
  position: relative;
  width: 80%;
  padding: 1ex;
  margin-bottom: 1ex;
}

.qso_own {
  margin-left: 40px;
}

.qso_other {
  margin-left: calc(40px + 10%);
}

.qso_own:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  left: -20px;
  right: auto;
  top: 0px;
  bottom: auto;
  border: 22px solid;
  border-color: #ddd transparent transparent transparent;
}

.qso_other:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  left: auto;
  right: -20px;
  top: 0px;
  bottom: auto;
  border: 20px solid;
  border-color: #ddd transparent transparent transparent;
}

p,
li,
tr,
td {
  hyphens: auto;
  -webkit-hyphens: auto;
  text-align: justify;
}

ul {
  list-style-type: square;
}

ul li::marker {
  color: #2aa6da;
}

ol li {
  margin-bottom: 1ex;
}

a {
  color: #2aa6da;
}

a:hover {
  color: #2aa6da;
}

footer {
  clear: right;
}

span.morse {
  font-size: 33%;
  position: relative;
  bottom: 1.7ex;
}

span.morse_char {
  padding-right: 3ex;
  white-space: nowrap;
}

span.morse_char:last-child {
  padding-right: 0;
}

span.morse_symbol {
  padding-right: 1.6ex;
  letter-spacing: -0.05ex;
}

span.morse_char:last-child {
  padding-right: 0;
}

span.formula {
  display: block;
  text-align: center;
}

.info_alpha {
  margin-bottom: 2ex;
  padding: 2ex;
  background: #ff756d;
  color: #fff;
}

.info_beta {
  margin-bottom: 2ex;
  padding: 2ex;
  background: #b8eaff;
}

.info_beta a {
  color: #22f;
}

@media (min-width: 800px) {
  .course p,
  .course ul,
  .course ol,
  .course .question,
  .course .solution,
  .course .table,
  .course .katex-display {
    width: 59.3%;
  }

  .course .margin {
    clear: right;
    float: right;
    margin-left: 5%;
    width: 35.7%;
    margin-bottom: 4ex;
  }

  .course .margin .table {
    width: 100%;
  }

  .course .margin p,
  .course .margin ul,
  .course .margin ol {
    width: auto;
  }

  .margin .photo,
  .margin .picture {
    margin-bottom: 0;
  }

  .margin .photo img,
  .margin .picture img {
    min-width: 100%;
    max-width: 100%;
    max-height: none;
  }
}

@media (max-width: 800px) {
  .course .margin {
    margin-top: 4ex;
    margin-bottom: 4ex;
  }

  figure img {
    min-width: min(100%, 800px);
    max-width: min(100%, 800px);
    max-height: 50vh;
    object-fit: contain;
  }
}

.course .margin em {
  font-style: normal;
  font-weight: 600;
  color: #2aa6da;
}

.course .margin.tip:before,
.course .margin.unit:before,
.course .margin.indepth:before,
.course .margin.attention:before,
.course .margin.danger:before {
  background-position: left bottom;
  background-repeat: no-repeat;
  background-size: contain;
  display: block;
  padding: 0.4ex 0 0.4ex 4ex;
  line-height: 133%;
  margin-bottom: 0.5ex;
}

.course .margin.tip,
.course .margin.unit,
.course .margin.indepth,
.course .margin.attention,
.course .margin.danger {
  border-left: 5px solid #bbb;
  padding-left: 0.5em;
}

.course .margin.tip {
  border-left-color: #2aa6da;
}

.course .margin.tip:before {
  content: "Tipp";
  background-color: #b8eaff;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M440-280h80v-240h-80v240Zm40-320q17 0 28.5-11.5T520-640q0-17-11.5-28.5T480-680q-17 0-28.5 11.5T440-640q0 17 11.5 28.5T480-600Zm0 520q-83 0-156-31.5T197-197q-54-54-85.5-127T80-480q0-83 31.5-156T197-763q54-54 127-85.5T480-880q83 0 156 31.5T763-763q54 54 85.5 127T880-480q0 83-31.5 156T763-197q-54 54-127 85.5T480-80Zm0-80q134 0 227-93t93-227q0-134-93-227t-227-93q-134 0-227 93t-93 227q0 134 93 227t227 93Zm0-320Z"/></svg>');
}

.course .margin.unit {
  border-left-color: #40c08c;
}

.course .margin.unit:before {
  content: "Neue Einheit";
  background-color: #b5e8d3;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M208-120q-37 0-62.5-25.5T120-208v-548q0-29 27-40.5t47 8.5l90 90-54 54 28 28 54-54 104 104-54 54 28 28 54-54 104 104-54 54 28 28 54-54 104 104-54 54 28 28 54-54 80 80q20 20 8.5 47T756-120H208Zm32-120h332L240-572v332Z"/></svg>');
}

.course .margin.indepth:before {
  content: "Vertiefung";
  background-color: #ddd;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M480-80q-26 0-47-12.5T400-126q-33 0-56.5-23.5T320-206v-142q-59-39-94.5-103T190-590q0-121 84.5-205.5T480-880q121 0 205.5 84.5T770-590q0 77-35.5 140T640-348v142q0 33-23.5 56.5T560-126q-12 21-33 33.5T480-80Zm-80-126h160v-36H400v36Zm0-76h160v-38H400v38Zm-8-118h58v-108l-88-88 42-42 76 76 76-76 42 42-88 88v108h58q54-26 88-76.5T690-590q0-88-61-149t-149-61q-88 0-149 61t-61 149q0 63 34 113.5t88 76.5Zm88-162Zm0-38Z"/></svg>');
}

.course .margin.attention {
  border-left-color: #ffb300;
}

.course .margin.attention:before {
  content: "Achtung";
  background-color: #ffe5a9;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M480-280q17 0 28.5-11.5T520-320q0-17-11.5-28.5T480-360q-17 0-28.5 11.5T440-320q0 17 11.5 28.5T480-280Zm-40-160h80v-240h-80v240Zm40 360q-83 0-156-31.5T197-197q-54-54-85.5-127T80-480q0-83 31.5-156T197-763q54-54 127-85.5T480-880q83 0 156 31.5T763-763q54 54 85.5 127T880-480q0 83-31.5 156T763-197q-54 54-127 85.5T480-80Zm0-80q134 0 227-93t93-227q0-134-93-227t-227-93q-134 0-227 93t-93 227q0 134 93 227t227 93Zm0-320Z"/></svg>');
}

.course .margin.danger {
  border-left-color: #ff756d;
}

.course .margin.danger:before {
  content: "Gefahr";
  background-color: #ffcfcc;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="m40-120 440-760 440 760H40Zm138-80h604L480-720 178-200Zm302-40q17 0 28.5-11.5T520-280q0-17-11.5-28.5T480-320q-17 0-28.5 11.5T440-280q0 17 11.5 28.5T480-240Zm-40-120h80v-200h-80v200Zm40-100Z"/></svg>');
}

.course-toc,
.chapter-toc {
  width: 600px;
  max-width: calc(100vw - 20px);
}

.course-toc .btn-label,
.chapter-toc .btn-label {
  position: relative;
  left: -12px;
  width: 4em;
  display: inline-block;
  padding: 6px 12px;
  background: #00adef;
  color: #fff;
  border-radius: 3px 0 0 3px;
  text-align: right;
}

.course-toc .btn-labeled,
.chapter-toc .btn-labeled {
  padding-top: 0;
  padding-bottom: 0;
  text-align: left;
}

.answers button:before {
  font-weight: 600;
}

.answers button:nth-child(1):before {
  content: "A:";
}

.answers button:nth-child(2):before {
  content: "B:";
}

.answers button:nth-child(3):before {
  content: "C:";
}

.answers button:nth-child(4):before {
  content: "D:";
}

/* Enable Line Breaks in Equations ... */
.course .katex-display > .katex {
  white-space: normal;
}

/* Add space between broken lines: */
.course .katex-display .base {
  margin: 0.5em 0em;
}

/* Compensate by reducing space around display math */
.course .katex-display {
  margin: 1em 0em;
}