how to style testimonial big slider …and animation choice

on trying to style a bit the testimonial big slider i recognized that there was no choice which animation (slide sidewards, slide up/down or fade) is set.
First see result here ( i love the deepL translation tool – and i saw that kind of testimonials) :
https://webers-testseite.de/testimonial-styling/

what to do is uploading a little perspective shadow

and then do this to your quick css:

.av-large-testimonial-slider .avia-testimonial_inner {
    background-color: #eee;
    display: inline-table;
    padding: 40px;
    border: 1px solid #aaa;
    position: relative;
    box-shadow: 0 3px 10px -8px #333;
    -webkit-transform:  skew(-3deg);
    transform: skew(-3deg);
}

.av-large-testimonial-slider .avia-testimonial_inner::before {
    content: "\e833";
    font-family: entypo-fontello;
    font-size: 70px;
    position: absolute;
    top: -45px;
    left: 15px;
    -webkit-filter: drop-shadow(2px 2px 3px #666);
    filter: drop-shadow(2px 2px 3px #666);
color: #863c07
}

.av-large-testimonial-slider .avia-testimonial_inner::after {
    content: " ";
    background-image: url(//link-to-your-shadow-image/wp-content/uploads/testimonial-shadow.png);
    background-repeat: no-repeat;
    width: calc(100% + 60px);
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-position: bottom right;
    overflow: visible !important;
    background-size: 60px;
    opacity: 0.3;
}

#top .av-large-testimonial-slider .avia-slideshow-arrows a {
    margin-top: 50px !important;
    }

but on that I noticed that there is no choice which animation the slider has
for those who likes to have the choice i edited the alb element for child-theme use:
https://webers-testseite.de/edited-enfold-alb-elements/#testimonial
PS : this choice is only for big testimonial slider – because the small one looks ugly on that and grid makes no sence – so only if your choice is testimonial slider (large) the new input field is shown.

PPS: if you don’t like the skew – get rid of that rule