*{
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

.main{
    background-image: linear-gradient(rgba(250, 250, 250, 0.7),rgba(250, 250, 250, 0.7)),url(img/main-img.jpg);
    height: 100vh;
    width: 100vw;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    }
.main0{
    height: 40vh;
    color: #fff;
    background-color: #3d87f7;
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    background-size: contain;
}
.main0 h1{
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    padding-top: 5%;
}
.main h1{
    color: #3d87f7;
     font-family: 'Poppins', sans-serif;
    font-weight: 300;
    padding-bottom: 20%;
    padding-top: 20%;
    
}
.card {
  box-shadow: 0 4px 8px 0 rgb(5, 5, 5);
  text-align: center;
  margin-top: 1%;
}
.courses{
    background-color: #edecec;
    padding-top: 5%;
    padding-bottom: 5%;
}
.enroll {
    padding-bottom: 5%;
    padding-top: 5%;
}

@media only screen and (max-width:681px){
    .main0{
    padding-top: 5%;
    }
    .main0 h1{
        font-size: 120%;
    }
    }
@media only screen and (max-width:780px){
          
    }

@media only screen and (max-width:480px){
    .main h1{
        padding-top: 45%;}
    .card{
        width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}