Add fix for flickering text on hover

Author: ivanvermeyen

public/css/slider.css

@@ -59,6 +59,7 @@
                 background: $slide-image-hoverlay-background;
                 transition: opacity $slide-image-hoverlay-fade-in-speed, width 0ms linear $slide-image-hoverlay-fade-in-speed;
                 opacity: 0;
+                transform: translateZ(0); //=> avoid flickering
             }
 
             &:hover &-hoverlay {

src/scss/_slide-image.scss

@@ -14,6 +14,7 @@
     height: $slide-height; //=> optional fixed slide height
     background: $slide-background;
     color: $slide-text-color;
+    transform: translateZ(0); //=> avoid flickering
 
     + .slide {
         margin-left: $slide-margin;