.main-body {
    grid-area: main;
    background-color:rgb(168, 186, 186);
    padding: 10px;
    border-radius: 5px;
}

body {
  font-family: Nintendo-DS-BIOS;

    max-width: 600px;
    margin: auto;
    margin-top: 5%;

    background: url(https://i.ibb.co/r2M5y4Dg/swirly.jpg);
    display: grid;
    grid-template:
    "header  header  header"
    "nav     main    sidebar"
    "footer  footer  footer" /
     20%    60%    20%;
    gap: 0px;
      
      > header {
        grid-area: header;
      }
}



footer {
    grid-area: footer;
    margin: auto;
    margin-top: 10px;
    padding: 5px;
    display: block;
    background: white;
    max-width: 600px;
    width: 60%;

    border-radius: 5px;
    text-align: center;
}





* {box-sizing:border-box}
/* Slideshow container */
.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

/* Hide the images by default */
.mySlides {
  display:none;
  text-align: center;

  img {
    display:inline;
  }
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 10px;
  padding-left: 5px;
  padding-right: 5px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* Caption text */
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}


/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}