* {box-sizing: border-box}
body {margin:0}
.mySlides {display: none}

img {vertical-align: middle}

.imagem{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.imagem2 {
    max-width:800px;
    max-height:600px;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);	
}

/* Position the image container (needed to position the left and right arrows) */
.slideshow-container {
  position: relative;
  margin: auto;
  max-width:900px;
  height:500px;
}

/* Hide the images by default */
.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  background-color: #969fa7;/*Cor do quadrado da seta*/
  opacity: 0.3;
  position: absolute;
  top: 45%;
  width: auto;
  padding: 16px; /*Tamanho do quadrado da seta*/
  margin-top: -22px;
  color: black; /*******COR DA SETA******/
  font-weight: bold;
  font-size: 18px;
  transition: 0.4s ease;
  border-radius: 0 5px 5px 0;
  user-select: none;
  -webkit-user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 5px 0 0 5px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: black;
  color: white; /*********COR DA SETA COM MOUSE EM CIMA*************/
  opacity: 0.8;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  /*bottom: 12%; */
  background-color: #222;
  opacity: 0.4;
}

.subtitle{
    text-align: center;
    font-style: italic;
    bottom: 0px;
}

.row:after {
  content: "";
  display: table;
  clear: both; 
}

/* Six columns side by side */
.column {
  float: left;
  width: 10%;
  height: 10%;
  margin: 5px 15px 5px 0;
  background: #717171;
  border: 1px solid #717171;
}

/* Add a transparency effect for thumnbail images *
.demo {
  opacity: 0.6;
}*/

/* Add a pointer when hovering over the thumbnail images */
.cursor {
  cursor: pointer;
  opacity: 0.6;
}

.active,
.demo:hover {
  opacity: 1;
}