.slideArea{
  width: 980px;
  height: 560px;
  position: relative;
  margin: 0 0 0 calc((100% - 980px) * .5);
  left: 0;
  /*
  grid-area: 2 / 1 / 3 / 2;
  justify-self: start;
  align-self: start;
  */
}

.stTxt {
  position: absolute;
  bottom: 0;
  width: 100;
  z-index: 1;
  opacity: 0;
  transition: .5s;
  background: rgba(255, 255, 255, .6);
  box-sizing: border-box;
  width: 100%;
  padding: .75rem;
}

.splide__slide:hover .stTxt {
  opacity: 1;
}