*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
#preloader {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: #fff
  url('rocketimage.gif') no-repeat center center;
}
body{
  position: relative;
}
.call{
  position: fixed;
  z-index: 99;
  height: 120px;
  width: 120px;
  background-color: #ffffff;
  /* background: transparent; */
  border-radius: 50%;
  top: 80%;
  left: 90%;
  box-shadow: 0 0 30px 10px rgba(255, 247, 0, 0.752);
}
.call img{
  width: 120px;
  position: absolute;
  mix-blend-mode: darken;
  background: none;
  border-radius: 50%;

}

.banner{
  position: relative;
}
.banner-bg{
  width: 100%;
}
.banner::after{
  content: '';
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.753);
  position: absolute;
  top: 0%;
}
.outer{
    width: 100%;
    height: 600px;
    background-color: #3a4a54c3;
    position: absolute;
    top: 0;
    z-index: 1;
}
.heading{
    position: absolute;
    text-align: center;
    align-content: center;
    font-size: 5rem;
    font-weight: 700;
    color: #ffcc00;
    z-index: 2;
    top: 50%;
    left: 50%;
    text-shadow: 0px 0px 20px #000000;
    transform: translate(-50%,-50%);
    padding: 70px 0px;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif ;
    
}
.heading-text {
  font-size: 3rem;
  font-weight: 600;
  font-family: "Roboto", sans-serif;
}
.sub-heading{
  position: absolute;
  text-align: center;
  align-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  z-index: 2;
  top: 70%;
  left: 50%;
  text-shadow: 0px 0px 20px #000000;
  transform: translate(-50%,-50%);
  padding: 70px 0px;
  font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif ;
  
}
.about{
    padding: 5rem 0rem;
}
.poster{
    /* padding: 1rem 1rem; */
    height: auto;
}
.poster img{
    width: 100%;
    border: 10px solid #ffcc00;
    box-shadow: 0px 40px 40px 0px rgba(0, 0, 0, 0.2);
}
.btn-outline-danger {
    color: #ff0000;
    border-color: #ff0000;
}
.btn-outline-danger:hover {
    color: #ffffff;
    background-color: #ff0000;
}
.about-h{
    font-size: 2.5rem;
    font-weight: 700;
}
.row{
  row-gap: 2rem;
}
.services{
    background-color: rgba(128, 128, 128, 0.221);
    align-items: center;
    text-align: center;
    padding: 3rem 0rem;
  }
  .course{
    align-items: center;
    text-align: center;
    padding: 3rem 0rem;
  
  }
  
  .card-box{
    width: 22rem;
    background-color: white;
    height: 28rem;
    padding: 20px 10px;
    align-items: center;
    margin-top: 1.5rem;
    box-shadow: 0 0 10px 4px rgba(31, 66, 135, .1);
    border-radius: 15px;
    overflow: hidden;
       
  }
  .card-box img{
    mix-blend-mode: multiply;
    padding: 10px;
    width: 85px;
  }
  .card-box h4{
    font-size: 25px;
    font-family: 'Times New Roman', Times, serif;
    font-weight: 700;
  }
  .card-box:hover{
    background-image: linear-gradient(105deg, #fcf528, #ffcc00);
  }
  #myBtn{
    background: none;
    color: red;
    padding: 0px 0px;
    border: none;
  }
  .flex{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    column-gap: 1rem;

  }

