bump to v4

quartz/components/styles/clipboard.scss

@@ -4,7 +4,7 @@
   float: right;
   right: 0;
   padding: 0.4rem;
-  margin: -0.2rem 0.3rem;
+  margin: 0.3rem;
   color: var(--gray);
   border-color: var(--dark);
   background-color: var(--light);

quartz/components/styles/explorer.scss

@@ -106,7 +106,7 @@ svg {
     align-items: center;
     font-family: var(--headerFont);
 
-    & p {
+    & span {
       font-size: 0.95rem;
       display: inline-block;
       color: var(--secondary);

quartz/components/styles/toc.scss

@@ -30,6 +30,7 @@ button#toc {
   overflow: hidden;
   max-height: none;
   transition: max-height 0.5s ease;
+  position: relative;
 
   &.collapsed > .overflow::after {
     opacity: 0;