fixed?

.atom/packages/atom-material-ui/styles/dock.less

@@ -1,84 +0,0 @@
-atom-dock {
-    .amu-panel-shadows & {
-        &.left, &.right {
-            .item-views::after {
-                content: '';
-                height: 100%;
-                pointer-events: none;
-                position: absolute;
-                opacity: .05;
-                top: 0;
-                width: .25rem;
-                z-index: 5;
-            }
-        }
-
-        &.left .item-views::after {
-            background: linear-gradient(to left, black, transparent);
-            right: 0;
-        }
-
-        &.right .item-views::after {
-            background: linear-gradient(to right, black, transparent);
-            left: 0;
-        }
-    }
-}
-
-.atom-dock {
-    &-inner {
-        position: relative;
-
-        &.bottom {
-            .tab-bar:empty {
-                display: none;
-            }
-        }
-    }
-
-    &-resize-handle {
-        position: absolute;
-        z-index: 10;
-
-        &.left, &.right {
-            top: 0;
-            bottom: 0;
-        }
-
-        &.left {
-            right: 0;
-        }
-
-        &.right {
-            left: 0;
-        }
-
-        &.top, &.bottom {
-            left: 0;
-            right: 0;
-        }
-
-        &.top {
-            bottom: 0;
-        }
-
-        &.bottom {
-            top: 0;
-        }
-    }
-
-    &-toggle-button {
-        .atom-dock-toggle-button-inner {
-            background-color: @base-color;
-            color: @accent-text-color;
-        }
-    }
-
-    .amu-use-animations & {
-        &-mask:not(:active) {
-            transition:
-                height 250ms @md-timing-function,
-                width 250ms @md-timing-function;
-        }
-    }
-}