* {
    color: #999999;
    font-size: 20px;
    font-weight: 400;
    box-sizing: border-box;
    font-family: 'Monteserat', Arial, sans-serif;
}

header,
nav,
section,
aside,
footer {
    text-align: center;
    border-radius: 7px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,.08);
}

header {
    width: 25%;
    margin: 25px 25px 25px 25px;
    display: inline-block;
}

nav {
    width: calc(75% - 75px);
    margin: 25px 25px 25px 0px;
    float: right;
}

aside {
    width: 25%;
    float: left;
    min-height: 517px;
}

section {
    float: left;
    width: calc(75% - 75px);
    margin: 0 25px 25px 25px;
}

section header,
section article,
section footer {
    width: 100%;
    border-radius: 7px;
    border: 1px solid #e5e5e5;
    box-shadow: none;
    margin: 25px 0px 0px 0px;
    padding: 50px;
}

footer {
    width: 96.5%;
    margin: 25px 25px 0px 25px;
    clear: both;
}