body h1 , h2, h3, ul, p{
    margin: 0;
    padding: 0;
}

#header{
    background-color: #35424a;
    border-bottom: 5px solid coral;
}
    
#header h1{
    color: #fff;
    font-family: sans-serif;
    padding: 15px 10px;
    display: inline-block;
    margin: 3px;
}

.navbar{
    float: right;
}

.navbar li{
    display: inline;
}

.navbar li a{
    text-decoration: none;
    color: #fff;
    font-family: sans-serif;
    padding: 25px 15px;
    display: inline-block;
}

.navbar li a:hover{
    color: coral;
}

.container{
    width: 70%;
    margin: auto;
}

.logo{
    color: coral;
}

.navbar{
    float: right;
}

.navbar li{
    display: inline;
}

#banner{
    height: 60vh;
    background-image: url(qwer.jpg);
    background-position: center --50px;
    background-size: cover;
    text-align: center;
    color:darkblue;
    font-family: sans-serif;
}

#banner h1{
    font-size: 50px;
    margin-bottom: 25px;
    padding-top: 140px;
}

#newsletter {
    background-color: #325063;
    color: #fff;
    font-family: sans-serif;
    padding: 20px 0;
    display:inline-block ;
    width: 100%;
}

#newsletter .left{
    float: left;
}

#newsletter .right{
    float: right;
}

#newsletter input{
    padding: 5px;
}

.button{
    padding: 7px 15px;
    border: none;
    background-color: coral;
    color:#fff ;
    margin-top: 5px;
}

#course{
    padding: 30px 0;
}

.box{
    width: 33.3%;
    float: left;
    text-align: center;
    font-family: sans-serif;
}

.box img{
    max-width: 100%;
    width: 120px;
}

.clr{
    clear: both
}

.footer{
    padding: 15px 0;
    background-color:coral;
    color: #fff;
    text-align: center;
    font-family: sans-serif;
    font-size: 15px;
}

.main-content{
    width: 65%;
    float: left;
}

.sidebar{
    width: 30%;
    float: right;
}

#about-us{
    margin: 20px 0;
    font-family: sans-serif;
}

.bg-dark{
    background-color: #35424a;
    color: #fff;
    padding: 15px;
}

.box-1{
    padding: 30px;
    margin: 15px;
    background-color: #e5e5e5;
    border: 1px solid #555;
}

label{
    display: block;
    margin-bottom: 5px;
}

.mrx, textarea{
    width: 100%;
    padding: 10px 0;
}

.active{
    color:coral !important;
}