*, *:before, *:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: Helvetica, sans-serif;
}

#wrapper {
    margin: auto;
    max-width: 1200px;
    min-width: 1000px;
}

/*** headings ***/
h1 {
    font-size: 48px;
    font-weight: 300;
    margin: 15px 0 0 0;
}

header h2 {
    margin: 0 0 15px 0;
}

h2 {
    margin: 30px 0 10px 0;
}

/*** misc ***/

a {
    text-decoration: none;
    color: #FFA500;
}

img {
    width: 100%;
}

/*** header ***/

header {
    position: fixed;
    top: 0;
    margin-right: 8px;
    background-color: #ffffff;
}

nav {
    display: table-cell;
    width: 20%;
    position: fixed;
    margin-top: 10px;
}


nav li {
    font-size: 20px;
}

/*** main ***/
main {
    display: table;
    margin-top: 405px;
}

#articles {
    display: table-cell; 
    width:  80%;
    padding-right: 20px;
}

article {
    line-height: 140%;
}