Equally-sized videos

pico.css

     padding-left: var(--pad);
 }
 .video-container {
-    float: left;
+    display: inline-block;
+    position: relative;
+    height: 120px;
+    width: 120px;
 }
 video {
-    width: 120px;
     background-color: black;
+    position: absolute;
+    top: 0;
+    left: 0;
+    z-index: -100;
+    object-fit: cover;
+    width: 100%;
+    height: 100%;
 }
 video.mirrored {
     transform: scaleX(-1);