a.changeMode {position: absolute; left: 0; top: 0; width: 80px;height: 80px;  z-index:9; background-image: url(../../images/blue-triangle.png);background-size: 100% 100%;background-repeat: no-repeat;}
a.changeMode:after{position:absolute; content:''; background-image:url(../../images/dark-mode.svg); background-repeat:no-repeat; background-size:100% 100%; width:20px; height:20px; z-index:9999; top:18%; left:15%;}
body.active a.changeMode:after{background-image:url(../../images/light-mode.svg);}