$placeholder-border-color: #BBB; $placeholder-border: 1px dashed $placeholder-border-color; .query-builder { .drag-handle { @extend %rule-component; cursor: move; vertical-align: middle; margin-left: 5px; } .dragged { opacity: .5; } .rule-placeholder { @extend %base-container; border: $placeholder-border; opacity: .7; } }