.amp-story-editor-block-mover {
	position: absolute;
	width: 30px;
	height: 100%;
	max-height: 112px;
	top: -15px;
	z-index: 80;
	padding-right: 2px;
	left: -45px;
	margin-top: -8px;
	opacity: 0;
	animation: none;
	transition: opacity .3s;
}

.amp-story-editor-block-mover.is-visible,
div[data-type="amp/amp-story-page"] .wp-block:hover .amp-story-editor-block-mover {
	opacity: 1;
}

.amp-story-editor-block-mover {
	position: absolute;
	width: 30px;
	height: 100%;
	max-height: 112px;
	top: -15px;
	z-index: 80;
	padding-right: 2px;
	left: -45px;
	margin-top: -8px;
	opacity: 0;
	animation: none;
	transition: opacity .3s;
}

.amp-story-editor-block-mover.is-visible,
div[data-type="amp/amp-story-page"] .wp-block:hover .amp-story-editor-block-mover {
	opacity: 1;
}

.block-editor-block-list__layout .block-editor-block-list__layout .block-editor-block-mover__control {
	box-shadow: none;
}

.block-editor-block-list__layout .block-editor-block-list__layout .block-editor-block-mover__control-drag-handle {
	box-shadow: none !important;
}

.block-editor-block-list__layout .block-editor-block-list__layout .block-editor-block-mover__control-drag-handle:hover {
	box-shadow: inset 0 0 0 1px #e2e4e7 !important;
}

Improve block mover styles by removing box-shadows
Improve block mover styles by removing box-shadows
