added cactus theme files

hugo-content/themes/cactus/assets/scss/_extend.scss

@@ -0,0 +1,119 @@
+// $base-style
+h1,
+.h1 {
+  display: block;
+  margin-top: 3rem;
+  margin-bottom: 1rem;
+  color: $color-accent-1;
+  letter-spacing: .01em;
+  font-weight: 700;
+  font-style: normal;
+  font-size: 1.5em;
+
+  @include antialias();
+}
+h2,
+.h2 {
+  position: relative;
+  display: block;
+  margin-top: 2rem;
+  margin-bottom: .5rem;
+  color: $color-accent-2;
+  text-transform: none;
+  letter-spacing: normal;
+  font-weight: bold;
+  font-size: 1rem;
+}
+h3 {
+  color: $color-accent-2;
+  text-decoration: underline;
+  font-weight: bold;
+  font-size: .9rem;
+}
+h4
+h5
+h6 {
+  display: inline;
+  text-decoration: none;
+  color: $color-accent-3;
+  font-weight: bold;
+  font-size: .9rem;
+}
+h3
+h4
+h5
+h6 {
+  margin-top: .9rem;
+  margin-bottom: .5rem;
+}
+hr {
+  border: .5px dashed $color-accent-3;
+  opacity: .5;
+  margin: 0;
+  margin-top: 20px;
+  margin-bottom: 20px;
+}
+strong {
+  font-weight: bold;
+}
+em
+cite {
+  font-style: italic;
+}
+sup
+sub {
+  position: relative;
+  vertical-align: baseline;
+  font-size: .75em;
+  line-height: 0;
+}
+sup {
+  top: -.5em;
+}
+sub {
+  bottom: -.2em;
+}
+small {
+  font-size: .85em;
+}
+acronym
+abbr {
+  border-bottom: 1px dotted;
+}
+ul
+ol
+dl {
+  line-height: $line-height;
+}
+ul ul,
+ol ul,
+ul ol,
+ol ol {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+ol {
+  list-style: decimal;
+}
+dt {
+  font-weight: bold;
+}
+table {
+  width: 100%;
+  border-collapse: collapse;
+  text-align: left;
+  font-size: $font-size - 2px;
+  overflow: auto;
+  display: block;
+}
+th {
+  padding: 8px;
+  border-bottom: 1px dashed $color-border;
+  color: $color-accent-2;
+  font-weight: bold;
+  font-size: $font-size - 1px;
+}
+td {
+  padding: 0 8px;
+  border-bottom: none;
+}