.treenode-loading {
    width: 16px; height: 16px;
    background: url("data:image/svg+xml;charset=utf-8,%3Csvg class='lds-spinner' width='100%' height='100%' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' viewBox='0 0 100 100' preserveAspectRatio='xMidYMid'%3E%3Cg transform='rotate(0 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.9166666666666666s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(30 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.8333333333333334s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(60 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.75s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(90 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.6666666666666666s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(120 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.5833333333333334s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(150 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.5s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(180 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.4166666666666667s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(210 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.3333333333333333s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(240 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.25s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(270 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.16666666666666666s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(300 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='-0.08333333333333333s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3Cg transform='rotate(330 50 50)'%3E%3Crect x='47' y='5' rx='9.4' ry='4.8' width='6' height='20' fill='#009ef7'%3E%3Canimate attributeName='opacity' values='1;0' keyTimes='0;1' dur='1s' begin='0s' repeatCount='indefinite'%3E%3C/animate%3E%3C/rect%3E%3C/g%3E%3C/svg%3E")!important;
    background-repeat: no-repeat;
    background-position: center;
}