/* CSS Document */

#abc{
  width:100%;
  height:100vh;
  background-image:url("../Images/cover.jpg");
  background-size: cover;
}


/* ++ cards */
.container3 {
  position: relative;
  width: 100%;
  max-width: 1500px;
  min-height: 100%;
  margin: 0px auto;
  padding: 20px;
  box-sizing: border-box;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.element-card {
  position: relative;
  width: 200px;
  height: 130px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: rotatey(0deg) translatex(0px) translatey(0px);
          transform: rotatey(0deg) translatex(0px) translatey(0px);
  -webkit-transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.4);
  margin: 5px;
  cursor: pointer;
}
.element-card:hover {
  -webkit-transform: rotatey(45deg) translatex(0px) translatey(0px);
          transform: rotatey(45deg) translatex(0px) translatey(0px);
}


.element-card .front-facing {
  -webkit-transform: rotateY(0deg) translateZ(2px);
          transform: rotateY(0deg) translateZ(2px);
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: #ecf0f1;
  border: 2px white solid;
  border-radius: 5px;
}
.element-card .front-facing .abr {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 0;
  font-size: 42px;
  margin: -35px 0 0 0;
  text-align: center;
  color: #3498db;
}
.element-card .front-facing .title {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 0;
  text-transform: uppercase;
  font-size: 12px;
  margin: 15px 0 0 0;
  text-align: center;
  color: #3498db;
}
.element-card .front-facing .atomic-number {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 12px;
  color: #2980b9;
}
.element-card .front-facing .atomic-mass {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-size: 12px;
  color: #2980b9;
}







/* image grid */
img{ max-width:100%;}

.gallery_box li{ width:33.333333%; max-width: 100% ; display:inline-block; float: left; text-align: center; overflow: hidden;    position: relative;}
.gallery_box{ padding:0;display: flow-root;}

.gallery_box li:hover img {
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
    transform: scale(1.1);
}
.gallery_box li img{-webkit-transition: transform 0.5s ease;
    -o-transition: transform 0.5s ease;
    transition: transform 0.5s ease;}
.gallery_box li:nth-child(even) {
    height: 304px;
}
.gallery_box li:nth-child(odd) {
    height: 438px; 
}
.gallery_box li:nth-child(odd) .box_data{ background:rgba(0,0,0,0.17) }
.gallery_box li:nth-child(even) .box_data{ background:rgba(0,44,255,0.27) }
.gallery_box .box_data{ position:absolute; top: 0; left: 0; right:0; bottom:0; color:#fff;}
.gallery_box .box_data span{ position:absolute; top: 50%; transform: translateY(-50%); left:0 ; right:0; font-size:24px;}
.gallery_box li:hover .box_data{ backgroun: transparent}




 h2{
  text-align:center;
  padding: 20px;
}
/* Slider */

.slick-slide {
    margin: 0px 20px;
}

.slick-slide img {
    width: 100%;
}

.slick-slider
{
    position: relative;
    display: block;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
            user-select: none;
    -webkit-touch-callout: none;
    -khtml-user-select: none;
    -ms-touch-action: pan-y;
        touch-action: pan-y;
    -webkit-tap-highlight-color: transparent;
}

.slick-list
{
    position: relative;
    display: block;
    overflow: hidden;
    margin: 0;
    padding: 0;
}
.slick-list:focus
{
    outline: none;
}
.slick-list.dragging
{
    cursor: pointer;
    cursor: hand;
}

.slick-slider .slick-track,
.slick-slider .slick-list
{
    -webkit-transform: translate3d(0, 0, 0);
       -moz-transform: translate3d(0, 0, 0);
        -ms-transform: translate3d(0, 0, 0);
         -o-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
}

.slick-track
{
    position: relative;
    top: 0;
    left: 0;
    display: block;
}
.slick-track:before,
.slick-track:after
{
    display: table;
    content: '';
}
.slick-track:after
{
    clear: both;
}
.slick-loading .slick-track
{
    visibility: hidden;
}

.slick-slide
{
    display: none;
    float: left;
    height: 100%;
    min-height: 1px;
}
[dir='rtl'] .slick-slide
{
    float: right;
}
.slick-slide img
{
    display: block;
}
.slick-slide.slick-loading img
{
    display: none;
}
.slick-slide.dragging img
{
    pointer-events: none;
}
.slick-initialized .slick-slide
{
    display: block;
}
.slick-loading .slick-slide
{
    visibility: hidden;
}
.slick-vertical .slick-slide
{
    display: block;
    height: auto;
    border: 1px solid transparent;
}
.slick-arrow.slick-hidden {
    display: none;
}