Preserve QPowerPoint subtitle lists in PPTX

src/styles.css

@@ -597,6 +597,11 @@ button {
   border-right: 0;
 }
 
+.segmented-tools button.is-active {
+  background: #e8f2ff;
+  color: #0f5fae;
+}
+
 .module-toolbar select,
 .office-workbar select,
 .office-workbar input,
@@ -1349,6 +1354,28 @@ button {
   line-height: 1.35;
 }
 
+.slide-subtitle-input.is-bullet-list,
+.slide-subtitle-input.is-number-list {
+  padding-left: 34px;
+}
+
+.slide-subtitle-input.is-bullet-list {
+  background-image: radial-gradient(currentColor 0 3px, transparent 3px);
+  background-position: 10px 0.63em;
+  background-repeat: no-repeat;
+}
+
+.slide-subtitle-input.is-number-list {
+  background-image: linear-gradient(currentColor 0 0);
+  background-position: 13px 0.64em;
+  background-repeat: no-repeat;
+  background-size: 13px 2px;
+}
+
+.slide-list-tools {
+  width: fit-content;
+}
+
 .slide-accent-line {
   position: relative;
   z-index: 2;