diff --git a/eu_basynthec/source/html/browser/basynthec-browser.js b/eu_basynthec/source/html/browser/basynthec-browser.js
index 8ba735178fe1dc011e20cb4f4b24e7c11482f0e8..cb7c4f1858abe6724f7273c9a237f7a6abd67478 100644
--- a/eu_basynthec/source/html/browser/basynthec-browser.js
+++ b/eu_basynthec/source/html/browser/basynthec-browser.js
@@ -140,6 +140,8 @@ AppPresenter.prototype.toggleDisplayedVisualizations = function(visToShow)
 			.duration(1000)
 			.style("opacity", 1);
 		} else {
+			// change to "inline" element to eliminate jumping of two "block" elements during transition
+			vis.style("display","inline");
 			vis
 				.transition()
 			.duration(1000)
@@ -231,18 +233,21 @@ AppPresenter.prototype.createVis = function()
 	// Initially hide the strain view -- it is activated by the radio button
 	strainVis = tableRoot.append("div").style("display", "none");
 	strainVis.style("width", w + "px");
+	strainVis.style("opacity", "0");
 	strainView = new StrainView();
 	
 	od600StrainVis = tableRoot.append("div").style("display", "none");
 	od600StrainVis.style("width", w + "px");
 	od600StrainVis.style("height",w + "px");
-	od600StrainVis.style("overflow-y", "scroll");	
+	od600StrainVis.style("overflow-y", "scroll");
+	od600StrainVis.style("opacity", "0");
 	od600StrainView = new Od600StrainView();
 	
 	od600StrainWithPhenotypesAndPredictionsVis = tableRoot.append("div").style("display", "none");
 	od600StrainWithPhenotypesAndPredictionsVis.style("width", w + "px");
 	od600StrainWithPhenotypesAndPredictionsVis.style("height",w + "px");
-	od600StrainWithPhenotypesAndPredictionsVis.style("overflow-y", "scroll");	
+	od600StrainWithPhenotypesAndPredictionsVis.style("overflow-y", "scroll");
+	od600StrainWithPhenotypesAndPredictionsVis.style("opacity", "0");
 	od600StrainWithPhenotypesAndPredictionsView = new Od600StrainWithPhenotypesAndPredictionsView();
 	
 	this.visualizationContainers = [dataSetTypeVis, strainVis, od600StrainVis, od600StrainWithPhenotypesAndPredictionsVis];
@@ -826,8 +831,7 @@ Od600StrainWithPhenotypesAndPredictionsView.prototype.updateView = function(dura
 	
 	var legend = od600StrainWithPhenotypesAndPredictionsVis.selectAll("div.legend").data([model.od600StrainsWithPhenotypesAndPredictionsGroups]);
 	legend.enter().append("div").attr("class","legend").append("h3").style("font-style","italic").text("Legend");
-	var legendList = legend.selectAll("ul").data(function(d){ return [d] }).enter();
-	legendList.append("ul");
+	var legendList = legend.selectAll("ul").data(function(d){ return [d] }).enter().append("ul");
 	legendList.append("li").append("span").text("strain with phenotypes and predictions").style("color","green");
 	legendList.append("li").append("span").text("strain with phenotypes only").style("color","blue");
 	legendList.append("li").append("span").text("strain with predictions only").style("color","red");
diff --git a/eu_basynthec/source/html/browser/basynthec-style.css b/eu_basynthec/source/html/browser/basynthec-style.css
index ee552870b0a4812edcc9a577f5c2ce072475e884..cbd4d4ac82c101f82ebf5aa0eb4b085dcb219ce1 100644
--- a/eu_basynthec/source/html/browser/basynthec-style.css
+++ b/eu_basynthec/source/html/browser/basynthec-style.css
@@ -166,4 +166,8 @@ table.properties td, th {
 #explanation-show-text:hover {
 	cursor: pointer;
 	font-weight: bold;
+}
+
+#button-group{
+	margin-bottom: 5px;
 }
\ No newline at end of file