html{
    height: 100%;
}
body{
    margin: 0px;
    height: 100%;
    background-repeat: no-repeat;   
    background-size: cover;
}
.heading{
  position: fixed;
  z-index: 1;
  background-color: rgb(0,0,0); 
  background-color: rgba(0,0,0,0.4);
  height: 15%;
  width: 100%;
  transition: all 1s ease-in-out;
}
.heading.active {
  background: darkblue;
}
.head{
    font-size: 50px;
    color: white;
    margin-top: 20px;
    text-align: center;
    animation: blinkingText 2s infinite;
}
@keyframes blinkingText{
    0%		{ color: green;}
    25%		{ color: pink;}
    50%		{ color: paleturquoise;}
    75%		{ color: gold;}
    100%	{ color: silver;}
}
.icon1{
    position: fixed;
    background-color: orangered;
    text-align: center;
    width: 10%;
    height: 110px;
    border-radius: 8px;
    margin-top: 12%;
    margin-left: 0.1%;
    font-size: 30px;
    perspective: 1000px;
    background-color: transparent;
}
.icon2{
    position: fixed;
    background-color: orangered;
    text-align: center;
    width: 10%;
    height: 110px;
    border-radius: 8px;
    margin-top: 20.3%;
    margin-left: 0.1%;
    font-size: 30px;
    perspective: 1000px;
    background-color: transparent;
}
.icon3{
    position: fixed;
    background-color: orangered;
    text-align: center;
    width: 10%;
    height: 110px;
    border-radius: 8px;
    margin-top: 28.6%;
    margin-left: 0.1%;
    font-size: 30px;
    perspective: 1000px;
    background-color: transparent;
}
.icon4{
    position: fixed;
    background-color: orangered;
    text-align: center;
    width: 10%;
    height: 110px;
    border-radius: 8px;
    margin-top: 36.9%;
    margin-left: 0.1%;
    font-size: 30px;
    perspective: 1000px;
    background-color: transparent;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
  }
  .flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
  }
  .flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; 
    backface-visibility: hidden;
  }
  .flip-card-front {
    background-color: orangered;
    color: black;
  }
  .flip-card-back {
    background-color: orange;
    color: black;
    transform: rotateY(180deg);
  }
  .content{
      position: absolute;
      margin-top: 15%;
      width: 44%;
      margin-left: 40%;
  }
  .para{
      font-size: 30px;
  }
  .extra{
      position: absolute;
      margin-top: 48%;
      margin-left: 60%;
  }
  .imgs{
      height: 70%;
      width: 180%;
      border: 5px solid grey;
  }
  .copy{
      position: absolute;
      margin-top: 76.5%;
      background-color: darkblue;
      width: 100%;
      height: 8%;
      text-align: center;
      color: white;
      font-size: 10px;
  }
  .content2{
    position: absolute;
    margin-top: 45%;
    width: 32%;
    margin-left: 19%;
  }
  .para2{
    font-size: 28px;
  }
  .modal{
    display: none; 
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgb(0,0,0); 
    background-color: rgba(0,0,0,0.4); 
    padding-top: 60px;
}
  .close {
    position: absolute;
    right: 40%;
    top: 18%;
    color: grey;
    font-size: 30px;
    font-weight: bolder;
  }
 .close:hover,
 .close:focus {
  color:grey;
  font-weight: bolder;
  cursor: pointer;
}
.modal-content {
  background-color: #fefefe;
  margin: 5% auto 15% auto; 
  width: 22%; 
}
hr{
  border: 0.5px solid black;
}
input{
  background-color: lightgrey;
  border: 0;
  width: 90%;
  height: 30px;
  margin-top: 3%;
  margin-bottom: 3%;
  margin-left: 4%;
  padding: 0.5%;
}
.submit{
  background-color: orangered;
  border: 0;
  color: white;
  width: 90%;
  height: 35px;
  margin-top: 3%;
  margin-bottom: 4%;
  margin-left: 4%;
  padding: 1%;
}
label.l{
  margin-top: 3%;
  margin-bottom: 3%;
  margin-left: 4%;
  padding: 0.5%;
}
.getstart{
  margin-top: 3%;
  margin-bottom: 3%;
  margin-left: 1%;
  font-size: 200%;
  padding: 3%;
  
}
.othermodel_container {
  background-color: #fefefe;
  margin: 5% auto 15% auto; 
  width: 25%; 
}

.close1 {
  position: absolute;
  right: 39%;
  top: 28%;
  color: grey;
  font-size: 30px;
  font-weight: bolder;
}
.close1:hover,
.close1:focus {
color:grey;
font-weight: bolder;
cursor: pointer;
}
.member{
  font-weight: bold;
  margin-left: 22%;
  padding: 5%;
}
.link{
  color: blue;
  cursor: pointer;
}
.flip-card-back a{
  text-decoration: none;
  color: black;
}