*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    body {
border: 5px solid black;
}
    body{
        font-family: "Poetsen One", sans-serif;
  font-weight: 300;
  font-style: normal;
    }
    .header{
        min-height: 100vh;
        width: 100%;
        background-image: linear-gradient(rgba(4,9,30,0.2),rgba(4,9,30,0.2)),url(anatface.jpg);
        background-attachment: fixed;
        background-size: cover;
        background-position: center;        
        position:relative;
    }
nav{
    display: flex;
    padding: 2%-6%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 100px;
    
}
.nav-links{
    flex:1;
    text-align: right;
}
.nav-links ul li{
    list-style:circle;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 20px;    
}
.nav-links ul li::after{
    content: '';
    width:0%;
    height: 2px;
    background: #f44336;
    display:block;
    margin: auto;
    transition:0.5s;
}
    .nav-links ul li:hover:after{
            justify-content: space-between;
        width:100%;
    }
    .text-box{
        width: 90%;
        color: #fff;
        top: 50%;
        left: 30%;
        transform: translate(-50%,-50%);
        text-align: center;
        position: absolute;
    }
    .text-box h1{
        font-size: 30px;
        position: relative;;
        text-align: center;
    }
    .text-box p{
        margin: 10px 0 40px;
        font-size: 14px;
        color: #fff;        
    }
    .hero-btn{
        display: inline-block;
        text-decoration: none;
        color: #fff;
        border: 1px solid #fff;
        padding: 12px 34px;
        font-size: 13px;
        background: transparent;
        position:relative;
        cursor: pointer;
    }
 .hero-btn:hover{
     border: 1px solid #f44336;
     background: #f44336;
     transition: 1s;
    }
    
    nav .fa{
        display:none;
    }
    
    
    /*------------------about------------*/
    .about{
        padding-top: 20px;
        border-top: 10px;
    }
                
    
    
    
    
    @media(max-width: 700px){
         .text-box h1{
             font-size: 13px;
        text-align: center;}
        .nav-links ul li{
            display: block;
        }
        .nav-links{
            position: absolute;
            background: #f44336;
            height: 100vh;
            width: 200px;
            top: 0;
            right: -200px;
            text-align: left;
            z-index: 2;
            transition: 1s;
        }
        nav .fa{
            display:block;
            color:#fff;
            margin:10px;
            font-size: 19px;
            cursor: pointer;
        }
        .nav-links ul{
            padding: 30px;
        }
    }
    /*--------- course --------*/
    .course{
        width:80%;
        margin:auto;
        text-align: center;
        padding-top: 100px;
    }
    h1{
        font-size:36px;
        font-weight: 300;
    }
    p{
        color:#777;
        font-size: 14px;
        font-weight:300;
        line-height: 22px;
        padding: 10px;
    }
    .row{ 
        margin-top: 5%;
        display: flex;
        justify-content: space-between;
    }
    .course-col{
        flex-basis: 31%;
        background: #fff3f3;
        border-radius: 80px;
        margin-bottom: 5%;
        padding: 5px 6px;
        box-sizing: border-box;
        transition:0.5s;
    }
    h3{
        text-align: center;
        font-weight: 600;
        margin: 10px 0;
                font-size: 30px;

    }
    .course-col:hover{
        box-shadow: 0 0 20px rgba(0,0,0,0.2);
    }
    @media(max-width:700px){
        .row{
            flex-direction: column;
        }
        .cta h6{
            font-size: 16px;
        }
        .tutorial{
            width: 10cm;
        }
    }
       
    /*----------campus --------*/
    .campus{
        width: 80%;
        margin: auto;
        text-align: center;
        padding-top: 5px;
    }
    .campus-col{
        flex-basis: 80%;
        border-radius: 10px;
        margin-bottom: 30px;
        position:relative;
        overflow: hidden;
        margin-right: 20px;

    }
    .campus-col img{
        width: 100%;
        height: 100%;
    }
    .layer{
        background: transparent;
        position: absolute;
        height: 100%;
        width: 100%;
        top:0;
        left: 0;
        transition: 0.5s;}
    .layer:hover{
        background: rgba(8,143,143,0.5); 
        } 
    
.layer h4{
    width: 100%;
    font-weight: 500;
    color:white;
    font-size: 35px;
    bottom: 120%;
    left: 50%;
    transform:translateX(-50%);
    position: absolute;
    opacity: 0;
    transition: 0.5s;
}
.layer:hover h4{
    position: absolute;
    top: 20%;
    opacity: 1;
    }
    .cta{
        margin: 100px auto;
        width: 80%;
        height: 25%;
        background-image: linear-gradient(rgba(240,240,240,0.7),rgba(240,240,240,0.5)),url(pxfuel.jpg);
        background-position: center;
        background-size: cover;
        border-radius: 10px;
        text-align: center;
        padding: 50px 0;
    }
    .cta h6{
        color:darkred;
        margin-bottom: 40px:;;
        font-size: 25px;
        padding:0;
    }
    .hero-btn2{
        display: inline-block;
        text-decoration: none;
        color: darkred;
        border: 4px solid darkred;
        padding: 12px 34px;
        font-size: 20px;
        background: transparent;
        position:relative;
        cursor: pointer;
    }
 .hero-btn2:hover{
     border: 1px solid #f44336;
     background: lightblue;
     transition: 1s;
    
    }
    
     /*--------footer--------*/
        .footer{
            width: 100%;
            text-align: center;
            padding: 30px 0;}
            .footer:h7{
                margin-bottom: 25px;
                margin-top:20px;
                font-weight: 600;
            }
    .icons .fa{
        color: cadetblue;
        margin: 0 13px;
        cursor: pointer;
        padding: 18px 0;
    } 
}