revert previous "fix", move absolute under embed

src/sass/tweet/_base.scss

@@ -121,12 +121,23 @@
     .tweet-content { 
         font-size: 18px;
     }
+    
+    .tweet-body {
+        display: flex;
+        flex-direction: column;
+        max-height: calc(100vh - 0.75em * 2);
+    }
 
     .card-image img {
         height: auto;
     }
+    
+    .avatar {
+        position: absolute;
+    }
 }
 
+
 .attribution {
     display: flex;
     pointer-events: all;