main.css

body{
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    background-color: whitesmoke;
}
main{
    width: 800px;
    display: inline-block;
    margin-left: calc((100%-800px) /2);
}
header{
    display: inline-block;
    width: 100%;
    margin-top: 5px;
}
header>img{
    float: left;
    height: 35px;
     
}
nav{
    margin-top: 5px;
    float: right;
}
a{
    
    text-decoration: none;
    color: #292345;
    font-size: 16px;
    line-height: 20px;
    margin-left: 55px;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 20px;
    padding-right: 20px;
    float: left;
    border-radius: 5px ;
}
a+a{margin-left: 0px;
}
a:hover{
    color: #FFAF00;
}
section{
    display: inline-block;
    width: 100%;
}
div{
    float: left;
    width: 44%;
    color: #2D244B;
    margin-top: 120px;

}
section>img{
    float: right;
    width: 50%;
}
h1{
    font-size: 35px;
    margin: 22px;
}
p{
   margin: 35px;
   font-size: 18px;
}