Add shadow to the text

CSS Codes Slider
1

Add this code to the Custom CSS field on the Advanced tab of your widget’s settings:

.eapp-slider-title-component, .eas-text-component{
    text-shadow: 1px 1px 2px black;
}
.eapp-slider-button-component{
    text-shadow: 1px 1px 2px white;
}