body{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

header nav{
    background-color: black;
    color: #fff;
    padding: 5px;
    vertical-align: middle;

}

header nav ul{
    display: flex;
    justify-content: right;
    list-style-type: none;

}

header nav ul li a{
    padding: 10px;
}

header nav ul li a:hover,
header nav ul li i:hover{
    text-decoration: none;
    color: yellow;
}


.download,
.download i{
    color: grey;
}

.buynow{
    color: #fff;
}

.buynow i{
    color: blue;
}

.freetrial{
    color: #fff;
    text-transform: uppercase;
}

.freetrial:hover{
    color: yellow;
    text-decoration: none;
}

header nav ul li i{
    padding: 0 10px;
}

button{
    background-color: black;
    color: white;
    border-color: black;
    border-radius: 5px;
    text-transform: uppercase;
    margin: 20px;
    float: right;
}

.active,
.yellow{
    color: yellow;
}

.container-fluid{
    margin: 0;
    padding: 0;
    justify-content: center;
}

.banner{
    margin: 70px 0 0 0;
    background-image: url("../img/banner.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding: 0;
    width: 100%;
    height: 400px;
}

.logo{
    padding: 10px 20px 10px 80px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.logo:hover{
    text-decoration: none;
    color: yellow;
}

.manavbar{
    padding: 20px 0px 0px 600px;
}

.manavbar ul{
    text-transform: uppercase;
    list-style-type: none;
    display: flex;
}

.manavbar ul a{
    padding: 20px;
}

.manavbar ul a:hover{
    color: yellow;
    text-decoration: none;
}

.white{
    color: white;
}

.hello{
    width: 100%;
    text-transform: uppercase;
    text-align: center;
    padding-top: 100px;
}

.service{
    padding-top: 20px;
    display: flex;
    justify-content: center;

}

.service h3{
    text-transform: uppercase;
    font-weight: 600;
}

.service p{
    padding-top: 20px;
    text-align: center;
}

.grey{
    color: grey;
}

.col{
    text-align: center;
}

.cercle{
    width: 100px;
    height: 100px;
    background-color: yellow;
    border-radius: 50%;
    text-align: center;
    margin: 0 auto;
}

.cercle i{
    align-content: center;
    padding-top: 30px;
    font-size: 3rem;
}

footer{
    background-color: black;
    text-align: center;
    padding: 30px;
}

footer a{
    color: grey;
}

footer a:hover{
    color: yellow;
    text-decoration: none;
}