*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    
    
}
.navbar{
    background-color: #00003f;
}

.navbar a{
  font-size: 18px;
  font-weight: 600;
  color: white;
}

.navbar a:hover{
  color: skyblue;
}
.first-section{
  background-image: url(../images/61abab532415c1638640467.jpg);
  background-attachment: fixed;
  height: 850px;
  display: flex;
  flex-wrap: wrap;
}

@media (max-width: 990px) {
  .first-section{
    height: auto;
  }
}
@media (max-width: 768px) {
  .first-section{
    height: auto;
  }
}

#transparent {
  margin-top: 50px;
}

@media (max-width: 576px) {
  #transparent {
    margin-top: 0;
  }
}

#transparent{
  background-color: rgba(72 , 115, 173, 0.3);
  backdrop-filter: blur(10px);

}

#second{
    background-color: #00003f;
}


.three{
  background-image: url(../images/61a5b3fc58e871638249468.jpg);

  background-attachment: fixed;
}

.title{
    color: lawngreen;
}


/* The actual timeline (the vertical ruler) */
.main-timeline-4 {
  position: relative;
}

/* The actual timeline (the vertical ruler) */
.main-timeline-4::after {
  content: "";
  position: absolute;
  width: 3px;
  background-color: #bbb;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
}

/* Container around content */
.timeline-4 {
  position: relative;
  background-color: inherit;
  width: 50%;
}

/* The circles on the timeline */
.timeline-4::after {
  content: "";
  position: absolute;
  width: 25px;
  height: 25px;
  right: -11px;
  background-color: #bbb;
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

/* Place the container to the left */
.left-4 {
  padding: 0px 40px 20px 0px;
  left: 0;
}

/* Place the container to the right */
.right-4 {
  padding: 0px 0px 20px 40px;
  left: 50%;
}

/* Add arrows to the left container (pointing right) */
.left-4::before {
  content: " ";
  position: absolute;
  top: 18px;
  z-index: 1;
  right: 30px;
  border: medium solid rgba(37, 117, 252, 1);
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent rgba(37, 117, 252, 1);
}

/* Add arrows to the right container (pointing left) */
.right-4::before {
  content: " ";
  position: absolute;
  top: 18px;
  z-index: 1;
  left: 30px;
  border: medium solid rgba(245, 87, 108, 1);
  border-width: 10px 10px 10px 0;
  border-color: transparent rgba(245, 87, 108, 1) transparent transparent;
}

/* Fix the circle for containers on the right side */
.right-4::after {
  left: -14px;
}

/* Media queries - Responsive timeline on screens less than 600px wide */
@media screen and (max-width: 600px) {
  /* Place the timelime to the left */
  .main-timeline-4::after {
    left: 31px;
  }

  /* Full-width containers */
  .timeline-4 {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  /* Make sure that all arrows are pointing leftwards */
  .timeline-4::before {
    left: 60px;
    border: medium solid white;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
  }

  /* Make sure all circles are at the same spot */
  .left-4::after,
  .right-4::after {
    left: 18px;
  }

  .left-4::before {
    right: auto;
  }

  /* Make all right containers behave like the left ones */
  .right-4 {
    left: 0%;
  }
}

.gradient-custom {
  /* fallback for old browsers */
  background: #6a11cb;

  /* Chrome 10-25, Safari 5.1-6 */
  background: -webkit-linear-gradient(
    to right,
    rgba(106, 17, 203, 1),
    rgba(37, 117, 252, 1)
  );

  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  background: linear-gradient(
    to right,
    rgba(106, 17, 203, 1),
    rgba(37, 117, 252, 1)
  );
}

.gradient-custom-4 {
  /* fallback for old browsers */
  background: #f093fb;

  /* Chrome 10-25, Safari 5.1-6 */
  background: -webkit-linear-gradient(
    to left,
    rgba(240, 147, 251, 1),
    rgba(245, 87, 108, 1)
  );

  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  background: linear-gradient(
    to left,
    rgba(240, 147, 251, 1),
    rgba(245, 87, 108, 1)
  );
}


.four{
  background-image: url(../images/61ababd4c6c111638640596.jpg);
  background-position: center;
  height: 70vh;
}

@media only screen and (max-width: 767px) {
  .four {
    background-size: cover;
    height: 100vh;
  }
}


.card {
  background-color: rgba(72, 115, 170, 0.3);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(72, 115, 170, 0.3);
  box-shadow: none;
  transition: all 0.3s ease;
}

.card:hover {
  border-width: 4px;
  border-color: skyblue;
  box-shadow: 0px 20px 40px 20px rgba(72, 115, 170, 0.3);
}




.five{
  background-image: url(../images/5.jpg);
  height: 60vh;
  background-position: center;
}