style.css

*{
    margin: 0px;
    padding: 0px;
    font-family: 'Roboto', sans-serif;
}
/* ----------------header section-------------------*/
.header{
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7), rgba(4,9,30,0.7)),url(assets/banner4.png);
    background-position: center;
    background-size: cover;
    position: relative ;

}
nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 250px;
}
.nav-links{
    flex: 1;
    text-align: right;
}
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 13px;

}
.nav-links ul li::after{
    content: '';
    width: 0%;
    height: 2px;
    background-color: #e97911;
    display: block;
    margin: auto;
    transition: 0.5;
}
.nav-links ul li:hover::after{
    width: 100%;
}
.description{
    width: 90%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.description h1{
    font-size: 62px;
}
.description p{
    margin: 10px 0 40px;
    font-size: 14px;
    color: #fff;
}
.btn{
    display: inline block;
    text-decoration: none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    cursor: pointer;
}
.btn:hover{
    border: 1px solid #e97911;
    background: #e97911;
    transition: 1s;
}

nav .bi{
    display: none;
}

/*------------ courses------------*/
.course{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
h1{
    text-align: center;
    font-size: 36px;
    font-weight: 600;
}
p{
    color: #777;
    font-size: 14px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}
.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-evenly;
}
.course-col{
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 18px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}
h3{
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}

.course-col:hover{
    box-shadow: 0 0 20px 0 rgb(54, 51, 51);
}
/*--------------------- facilities-------------------------------------- */
.facilities{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
.facilities-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: center;
}
.facilities-col img{
    width: 100%;
    border-radius: 20px;
    
    
}
.facilities-col p{
    padding: 0;
    text-align: center;
}
.facilities-col h3{
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: left;
}

/* ------------review---------------- */

.review{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    text-align: center;
}
.review-col{
    flex-basis: 44%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
    background: #fff3f3;
    padding: 25px;
    cursor: pointer;
    display: flex;
}
.review-col img{
    height: 40px;
    margin-left: 5px;
    margin-right: 30px;
    border-radius: 50%;
}
.review-col p{
    padding: 0;
}
.review-col h3{
    margin-top: 15px;
    text-align: left;
}
.review-col .bi{
    color: #e97911;
}
@media(max-width:700px){
    .review-col img{
        height: 40px;
        margin-left: 5px;
        margin-right: 30;
        border-radius: 50%;
    }
}

/* --------footer----------- */
footer{
    height: 40px;
    display: flex;
    background-color: #19191a;
    justify-content: center;
    align-items: center;
}
h4{
    color: #e97911;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
}
h4 a{
    text-decoration: none;
    color: #fff;
}
h4 a:hover{
    color: #e97911;
    transition-delay: 0.3s;
}