body,html{
    font-family: Arial,sans-serif;
    font-size: 12pt;
    background-color: white;
    margin: 0;
    height: 100%;
    width: 100%;
}
header{
    height: 40px;
    background-color: black;
    color: white;
    width: 100%;
    font-family: sans-serif;

}
header h1{
    font-size: 24px;
    vertical-align: middle;
    margin : 0 10px;
    display: inline-block;
    line-height: 40px;
}
header nav {
    display: inline-block;
    vertical-align: middle;
}
header nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
header nav ul li {
    display: inline-block;
    width: 150px;
    height: 40px;
}
header nav ul li a {
    display: block;
    width: 100%;
    height: 100%;
    color: white;
    text-decoration: none;
    text-align: center;
    line-height: 40px;
}

header nav a:hover{
background-color:#333;
}

section{
    width: 100%;
}



section article {
 width: 70%;
 float: left;
padding: 10px;
box-sizing: border-box;


}

section article h2{
    text-transform: uppercase;
    text-align: justify;
}

section article img{
    width: 30%;
    margin-right: 10px;


}