.sortable-placeholder {
    background-color: #f0f0f0;
    border: 1px dashed #999;
    box-sizing: border-box;
}

.column-order-handle {
    cursor: move;
    display: inline-block;
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAiIGhlaWdodD0iMTAiIHZpZXdCb3g9IjAgMCAyMCAxMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8cGF0aCBkPSJNMTAuNzA3IDEuMjkzbDIuOTQgMi45NEExIDEgMCAwMTExLjk0IDZINC4wNmExIDEgMCAwMS0uMjA5LTEuNDE0bDIuOTQtMi45NGExIDEgMCAxMSAxLjQxNC0xLjQxNEwxMCAzLjU4N2wxLjcwNy0xLjcwN2ExIDEgMCAwMSAxLjQxNCAxLjQxNHoiIGZpbGw9IiM5OTkiLz4KPC9zdmc+Cg==) no-repeat center;
    width: 20px;
    height: 10px;
}