body {
  font-family: 'Optima', sans-serif;
  margin: 0;
    background: #080808;
}
/*----------------------------Engineering Portfolio Page--------------------*/

* {
  box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
#portfolioHeader{
    width: 100%;
    height: 20vh;
    /*add the background image and set dimensions for it*/
    /*background-image: url('Images/coolBackground.jpg');*/
    /*background-size: cover;*/
    /*background-position: center;*/
    background-color: #080808;
    background-attachment: fixed;
}
#project1{
    background: #080808;
    margin-bottom: 300px;
}
#project2{
    background: #080808;
}
.header-text{
    margin-top: 5%;
    font-size: 30px;
    font-weight: 600;
    color: #fff;
}
.containerTop {
    /*left and right padding on the overall header*/
    padding: 10px 3%;
}
nav ul li{
    color: #fff;
    display: inline-block;
    list-style: none;
    margin: 10px 10px;
}
/*set the characteristics of the tabs*/
nav ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 22px;
    font-weight: bold;
    position: relative;
}

/*set the characteristic of the little bar that appears under the tabs*/
nav ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    background: #FFAF87;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

/*change the visibility of the bar when you hover over the tab*/
nav ul li a:hover::after {
    width: 100%;
}


img {
  vertical-align: middle;
}

/* Position the image container (needed to position the left and right arrows) */
.container1 {
    background: #080808;
  position: relative;
    /*padding: 140px ;*/
}
.container2 {
    background: #080808;
  position: relative;
    /*padding: 140px;*/
}

/* Hide the images by default */
.mySlides1 {
  display: none;
}
.mySlides2 {
  display: none;
}

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

/* Next & previous buttons */
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 40%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

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


/* On hover, add a black background color with a little bit see-through */
.prev:hover,
.next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 18px;
  padding: 8px 12px;
  top: 0;
}

/* Container for image text */
.caption1-container {
  text-align: center;
  background-color: #222;
  padding: 2px 16px;
  color: white;
}
.caption2-container {
  text-align: center;
  background-color: #222;
  padding: 2px 16px;
  color: white;
}


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

/* Six columns side by side */
.column {
  float: left;
  width: 16.66%;
}

/* Add a transparency effect for thumnbail images */
.demo1 {
    height: 100px;
  opacity: 0.6;
}
.demo2 {
    height: 80px;
  opacity: 0.6;
}

.active,
.demo1:hover {
  opacity: 1;
}
.active,
.demo2:hover {
  opacity: 1;
}