small visual improvements

src/vue/charts/CorrelationAnalysis.vue

@@ -484,6 +484,10 @@
       text-align: left
       border-radius: 3px
       padding: 0 0.5vw 0 0.5vw
+      legend
+        color: #fff
+        border: none
+        margin: 0
   svg
     .fjs-lin-reg-line
       stroke: #ff5e00

src/vue/charts/PCA.vue

@@ -443,7 +443,10 @@
   svg
     .fjs-loadings
       stroke: #f00
-      stroke-width: 1px
+      stroke-width: 2px
+    .fjs-loading-label
+      fill: #7aff00
+      font-weight: bold
     .fjs-pc-distribution
       line
         stroke: #000
@@ -452,6 +455,7 @@
   .fjs-control-panel
     select
       margin: 0 0 0.5vh 0
+      color: initial
   .fjs-legend
     display: flex
     flex-direction: column