#mycanvas{height:80%;border-radius:100%}#map,#mycanvas{width:100%;min-width:200px;min-height:200px;margin:auto}#map{height:100%}.formatter_div{flex-flow:wrap;width:400px}.formatter_item{width:50%}.rollback{position:absolute;top:10px;right:10px;z-index:200}