header {
	height: 110px;
	background-color: var(--main-color) !important;
}

section {
	overflow: hidden;
}

 .position-relative {
	 position: relative !important;
 }
 
 .img-fluid {
	 max-width: 100%;
	 height: auto;
 }
 
 .covid_background {
    background-image: url("../images/smartpedia/serbaserbicovid/notebook-section.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.ratio-box-5x4 {
    height: 100vh;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100vh * 16 / 8);
}

.laptop-background {
    width: auto;
    height: 58.5vh;
    top: max(20vh, 125px);
    left: 50%;
    transform: translateX(-50%);
}

.button-next {
    width: auto;
    height: 5vh;
    left: 78%;
    top: 48vh;
	z-index: 3;
}

.button-prev {
    width: auto;
    height: 5vh;
    left: 18%;
    top: 48vh;
	z-index: 3;
}

.carousel-control{
	width: auto;
	opacity: 1;
}

.carousel-control.right {
	right: 25%;
	background-image: none;
}

.carousel-control.left{
	left: 22%;
	background-image: none;
}

.carousel-fade .carousel-inner .active {
  opacity: 1;
}

.carousel-fade .carousel-inner .active.left,
.carousel-fade .carousel-inner .active.right {
  left: 0;
  opacity: 0;
  z-index: 1;
}

.carousel-fade .carousel-inner .next.left,
.carousel-fade .carousel-inner .prev.right {
  opacity: 1;
}

.carousel-fade .carousel-control {
  z-index: 2;
}

/*
  WHAT IS NEW IN 3.3: "Added transforms to improve carousel performance in modern browsers."
  Need to override the 3.3 new styles for modern browsers & apply opacity
*/
@media all and (transform-3d), (-webkit-transform-3d) {
    .carousel-fade .carousel-inner > .item.next,
    .carousel-fade .carousel-inner > .item.active.right {
      opacity: 0;
      -webkit-transform: translate3d(0, 0, 0);
              transform: translate3d(0, 0, 0);
    }
    .carousel-fade .carousel-inner > .item.prev,
    .carousel-fade .carousel-inner > .item.active.left {
      opacity: 0;
      -webkit-transform: translate3d(0, 0, 0);
              transform: translate3d(0, 0, 0);
    }
    .carousel-fade .carousel-inner > .item.next.left,
    .carousel-fade .carousel-inner > .item.prev.right,
    .carousel-fade .carousel-inner > .item.active {
      opacity: 1;
      -webkit-transform: translate3d(0, 0, 0);
              transform: translate3d(0, 0, 0);
    }
}

.vh-100 {
	height: 100vh;
}

.vh-50 {
	height: 50vh;
}


/* ============= OPENING SECTION ============= */

.logo-covid {
    height: 120px;
    width: auto;
    display: block;
    margin: 20px auto;
}

.opening {
    height: 100vh;
    min-height: 800px;
}

.opening-text_1 {
    width: auto;
    height: 203px;
    left: 6%;
    top: 31vh;
}

.opening-text_2 {
    width: auto;
    height: 159px;
    left: 180px;
    top: 90vh;
}

.opening-text_3 {
    width: auto;
    height: 141px;
    right: 237px;
    top: 46vh;
}

.opening-text_4 {
    width: auto;
    height: 187px;
    right: 170px;
    top: 88vh;
}


/* ============= SECTION 1 ============= */

.section-1 .vicall-vido {
    width: max(28vh, calc(630px * 28 / 100));
    top: 24vh;
    left: 57%;
    z-index: 99;
}

.section-1 .vicall-professor {
    width: max(28vh, calc(630px * 28 / 100));
    top: 24vh;
    left: 25%;
}

.section-1 .virus {
    width: max(24vh, calc(630px * 24 / 100));
    top: 49vh;
    left: 43%;
}

.section-1 .text_1 {
    width: max(46vh, calc(630px * 46 / 100));
    top: 41vh;
    left: 16%;
}

.section-1 .text_2 {
    width: max(52vh, calc(630px * 52 / 100));
    top: 67vh;
    left: 8%;
}

.section-1 .text_3 {
    width: max(53vh, calc(630px * 53 / 100));
    top: 58vh;
    left: 57%;
}


/* ============= SECTION 2 ============= */

.section-2 .vicall-vido {
    width: max(30vh, calc(630px * 30 / 100));
    top: 7vh;
    left: 56%;
}

.section-2 .vicall-professor {
    width: max(30vh, calc(630px * 30 / 100));
    top: 7vh;
    left: 29%;
}

.section-2 .virus {
    width: max(26vh, calc(630px * 30 / 100));
    top: 60vh;
    left: 45%;
}

.section-2 .text_1 {
    width: max(50vh, calc(630px * 50 / 100));
    top: 24vh;
    left: 54%;
}

.section-2 .text_2 {
    width: max(54vh, calc(630px * 57 / 100));
    top: 60vh;
    left: 9%;
}

.section-2 .talent_1 {
    width: max(38vh, calc(630px * 38 / 100));
    top: 37vh;
    left: 54%;
}

.section-2 .talent_2 {
    width: max(47vh, calc(630px * 47 / 100));
    top: 30vh;
    left: 17%;
}


/* ============= SECTION 3 ============= */

.section-3 .vicall-vido {
    width: max(33vh, calc(630px * 33 / 100));
    top: 21vh;
    left: 25%;
}

.section-3 .vicall-professor {
    width: max(33vh, calc(630px * 33 / 100));
    top: 21vh;
    left: 52%;
}

.section-3 .text_1 {
    width: max(48vh, calc(630px * 48 / 100));
    top: 7vh;
    left: 16%;
}

.section-3 .text_2 {
    width: max(39vh, calc(630px * 39 / 100));
    top: 12vh;
    left: 57%;
}

.section-3 .text_3 {
    width: max(40vh, calc(630px * 40 / 100));
    top: 35vh;
    left: 19%;
}

.section-3 .text_4 {
    width: max(45vh, calc(630px * 45 / 100));
    top: 33vh;
    left: 51%;
}

.section-3 .talent_1 {
    width: max(24vh, calc(630px * 24 / 100));
    top: 53vh;
    left: 22%;
}

.section-3 .talent_2 {
    width: max(24vh, calc(630px * 24 / 100));
    top: 53vh;
    left: 42%;
}

.section-3 .talent_3 {
    width: max(24vh, calc(630px * 24 / 100));
    top: 53vh;
    left: 62%;
}


/* ============= SECTION 4 ============= */

.section-4 .vicall-vido {
    width: max(28vh, calc(630px * 28 / 100));
    top: 16vh;
    left: 70%;
}

.section-4 .vicall-professor {
    width: max(28vh, calc(630px * 28 / 100));
    top: 61vh;
    left: 12%;
}

.section-4 .layout_ppt {
    width: max(78vh, calc(630px * 78 / 100));
    top: 24vh;
    left: 50%;
    transform: translateX(-50%);
}

.section-4 .text_1 {
    width: max(40vh, calc(630px * 40 / 100));
    top: 8vh;
    left: 62%;
}

.section-4 .text_2 {
    width: max(33vh, calc(630px * 33 / 100));
    top: 29vh;
    left: 44%;
}

.section-4 .text_3 {
    width: max(64vh, calc(630px * 64 / 100));
    top: 63vh;
    left: 27%;
}

.section-4 .talent_1 {
    width: max(23vh, calc(630px * 23 / 100));
    top: 34vh;
    left: 37%;
}

.section-4 .talent_2 {
    width: max(25vh, calc(630px * 25 / 100));
    top: 34vh;
    left: 57%;
}

.section-4 .talent_3 {
    width: max(23vh, calc(630px * 23 / 100));
    top: 55vh;
    left: 37%;
}

.section-4 .talent_4 {
    width: max(26vh, calc(630px * 26 / 100));
    top: 55vh;
    left: 57%;
}

.section-4 .talent_5 {
    width: max(53vh, calc(630px * 53 / 100));
    top: 33.5vh;
    left: 36%;
}



/* ============= SECTION 5 ============= */

.section-5 .vicall-vido {
    width: max(32vh, calc(630px * 32 / 100));
    top: 26vh;
    left: 25%;
}

.section-5 .vicall-professor {
    width: max(46vh, calc(630px * 46 / 100));
    top: 48vh;
    left: 42%;
}

.section-5 .text_1 {
    width: max(42vh, calc(630px * 42 / 100));
    top: 14vh;
    left: 14%;
}

.section-5 .text_2 {
    width: max(59vh, calc(630px * 59 / 100));
    top: 69vh;
    left: 48%;
}

.section-5 .talent_1 {
    width: max(25vh, calc(630px * 25 / 100));
    top: 21vh;
    left: 51%;
}

.section-5 .talent_2 {
    width: max(24vh, calc(630px * 24 / 100));
    top: 39vh;
    left: 62%;
}

.section-5 .talent_3 {
    width: max(27vh, calc(630px * 27 / 100));
    top: 41vh;
    left: 20%;
}


/* ============= CLOSING SECTION ============= */

.closing {
    height: 100vh;
    min-height: 900px;
}

.closing-background {
    top: 50%;
    transform: translateY(-50%);
}

.closing-vido {
    width: auto;
    height: 70%;
    top: 17%;
    left: 23%;
}

.closing-professor {
    width: auto;
    height: 60%;
    top: 23%;
    left: 54%;
}

.closing-text_1 {
    width: auto;
    height: 260px;
    left: 5%;
    top: 20px;
}

.closing-text_2 {
    width: auto;
    height: 229px;
    left: 730px;
    top: 490px;
}


/* -------------------- DESKTOP ONLY VIEWPORT -------------------- */

@media screen and (min-width: 600px) {
	.vh-100-md {
		height: 100vh;
	}
	
	.ratio-box-5x4 {
		min-height: 630px;
		min-width: calc(630px * 16 / 8);
	}
	
	.laptop-background {
		min-height: 373px;
	}
}

/* -------------------- MOBILE VIEWPORT -------------------- */

@media screen and (max-width: 600px) {
	.ratio-box-5x4 {
		width: calc(100vh * 15/ 16);
		height: 50vh;
	}

	.laptop-background {
		height: 27.6vh;
		top: 11vh;
	}
	
	.carousel-control.right {
		right: 26%;
	}

	.carousel-control.left{
		left: 23.3%;
	}

	.button-next {
		height: 5vw;
		left: 71%;
		top: 43vw;
	}

	.button-prev {
		height: 5vw;
		left: 26%;
		top: 43vw;
	}
	
	
	/* ============= OPENING SECTION ============= */

	.logo-covid {
		height: 70px;
		margin: 20px auto 40px;
	}

	.opening {
		height: auto;
		min-height: 400px;
	}

	.opening-text_1 {
		height: 100px;
		left: 0%;
		top: 200px;
	}

	.opening-text_2 {
		height: 90px;
		left: 0px;
		top: 350px;
	}

	.opening-text_3 {
		height: 80px;
		right: 0;
		top: 230px;
	}

	.opening-text_4 {
		height: 107px;
		right: 0;
		top: 396px;
	}


	/* ============= SECTION 1 ============= */

	.section-1 .vicall-vido {
		width: 24vw;
		top: 22vw;
		left: 56%;
	}

	.section-1 .vicall-professor {
		width: 24vw;
		top: 22vw;
		left: 28%;
	}

	.section-1 .virus {
		width: 22vw;
		top: 43vw;
		left: 41%;
	}

	.section-1 .text_1 {
		width: 29vw;
		top: 35vw;
		left: 26%;
	}

	.section-1 .text_2 {
		width: 34vw;
		top: 65vw;
		left: 14%;
	}

	.section-1 .text_3 {
		width: 38vw;
		top: 52vw;
		left: 57%;
	}


	/* ============= SECTION 2 ============= */

	.section-2 .vicall-vido {
		width: 26vw;
		top: 10vw;
		left: 55%;
	}

	.section-2 .vicall-professor {
		width: 25vw;
		top: 10vw;
		left: 25%;
	}

	.section-2 .virus {
		width: 19vw;
		top: 52vw;
		left: 45%;
	}

	.section-2 .text_1 {
		width: 44vw;
		top: 25vw;
		left: 54%;
	}

	.section-2 .text_2 {
		width: 43vw;
		top: 51vw;
		left: 11%;
	}

	.section-2 .talent_1 {
		width: 31vw;
		top: 33vw;
		left: 54%;
	}

	.section-2 .talent_2 {
		width: 36vw;
		top: 29vw;
		left: 19%;
	}


	/* ============= SECTION 3 ============= */

	.section-3 .vicall-vido {
		width: 27vw;
		top: 22vw;
		left: 26%;
	}

	.section-3 .vicall-professor {
		width: 27vw;
		top: 22vw;
		left: 53%;
	}

	.section-3 .text_1 {
		width: 37vw;
		top: 13vw;
		left: 20%;
	}

	.section-3 .text_2 {
		width: 24vw;
		top: 17vw;
		left: 62%;
	}

	.section-3 .text_3 {
		width: 29vw;
		top: 34vw;
		left: 24%;
	}

	.section-3 .text_4 {
		width: 32vw;
		top: 33vw;
		left: 53%;
	}

	.section-3 .talent_1 {
		width: 19vw;
		top: 46vw;
		left: 23%;
	}

	.section-3 .talent_2 {
		width: 19vw;
		top: 46vw;
		left: 42%;
	}

	.section-3 .talent_3 {
		width: 19vw;
		top: 46vw;
		left: 61%;
	}


	/* ============= SECTION 4 ============= */

	.section-4 .vicall-vido {
		width: 23vw;
		top: 15vw;
		left: 68%;
	}

	.section-4 .vicall-professor {
		width: 25vw;
		top: 53vw;
		left: 12%;
	}

	.section-4 .layout_ppt {
		width: 63vw;
		top: 23vw;
	}

	.section-4 .text_1 {
		width: 31vw;
		top: 9vw;
		left: 63%;
	}

	.section-4 .text_2 {
		width: 22vw;
		top: 27vw;
		left: 46%;
	}

	.section-4 .text_3 {
		width: 49vw;
		top: 54vw;
		left: 30%;
	}

	.section-4 .talent_1 {
		width: 18vw;
		top: 30vw;
		left: 37%;
	}

	.section-4 .talent_2 {
		width: 21vw;
		top: 30vw;
		left: 56%;
	}

	.section-4 .talent_3 {
		width: 18vw;
		top: 48vw;
		left: 38%;
	}

	.section-4 .talent_4 {
		width: 20vw;
		top: 48vw;
		left: 56%;
	}

	.section-4 .talent_5 {
		width: 43vw;
		top: 30.5vw;
		left: 37%;
	}


	/* ============= SECTION 5 ============= */

	.section-5 .vicall-vido {
		width: 26vw;
		top: 24vw;
		left: 26%;
	}

	.section-5 .vicall-professor {
		width: 37vw;
		top: 43vw;
		left: 41%;
	}

	.section-5 .text_1 {
		width: 37vw;
		top: 14vw;
		left: 12%;
	}

	.section-5 .text_2 {
		width: 50vw;
		top: 60vw;
		left: 43%;
	}

	.section-5 .talent_1 {
		width: 22vw;
		top: 19vw;
		left: 50%;
	}

	.section-5 .talent_2 {
		width: 19vw;
		top: 35vw;
		left: 60%;
	}

	.section-5 .talent_3 {
		width: 23vw;
		top: 37vw;
		left: 21%;
	}


	/* ============= CLOSING SECTION ============= */

	.closing {
		height: auto;
		min-height: 400px;
	}

	.closing-vido {
		height: 45%;
		top: 24%;
		left: 23%;
	}

	.closing-professor {
		height: 40%;
		top: 29%;
		left: 54%;
	}

	.closing-text_1 {
		height: 110px;
		left: 5%;
		top: 20px;
	}

	.closing-text_2 {
		height: 100px;
		left: 190px;
		top: 210px;
	}
	
}


/* ============= ANIMATION SECTION ============= */

@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
/* .fadeIn {
    -webkit-animation-name: fadeIn;
    animation-name: fadeIn;
} */