* {
    box-sizing: border-box;
    margin: 0;
}

body {
    background-color: #d9dcd6;
}

h1,
h2 {
    font-size: 48px;
}

header {
    padding: 20px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    background-color: #2a607c;
    color: #ffffff;
}

header h1 {
    display: inline-block;
    font-size: 48px;
}

header h1 .seo {
    color: #d9dcd6;
}

header nav 
/*navigation titles*/ {
    padding-top: 15px;
    margin-right: 20px;
    float: right;
    font-family: 'Gill Sans', 'Gill Sans MT', 'Calibri', 'Trebuchet MS', sans-serif;
    font-size: 25px;
}

header nav ul li {
    display: inline-block;
    margin-left: 25px;
}

a 
/*navigation titles color*/ {
    color: #ffffff;
    text-decoration: none;
}

p 
/*3 cards paragraphs*/  {
    font-size: 25px;
    padding: 22px;
}

#search-engine-optimization,
#online-reputation-management,
#social-media-marketing 
/*3 cards container formatting*/ {
    margin-bottom: 25px;
    padding: 50px;
    height: 300px;
    font-family: 'Gill Sans', 'Gill Sans MT', 'Calibri', 'Trebuchet MS', sans-serif;
    background-color: #0072bb;
    color: #ffffff;
}

#search-engine-optimization img,
#online-reputation-management img,
#social-media-marketing img 
/*3 cards images*/  {
    max-height: 200px;
}

#search-engine-optimization h2,
#online-reputation-management h2,
#social-media-marketing h2, 
/*3 cards titles*/ {
    margin-bottom: 20px;
    font-size: 36px;
}

#hero 
/*main image*/ {
    height: 800px;
    width: 100%;
    margin-bottom: 25px;
    background-image: url("../images/digital-marketing-meeting.jpg");
    background-size: cover;
    background-position: center;
}

#content 
/*3 cards with titles and descriptions*/{
    width: 75%;
    display: inline-block;
    margin-left: 20px;
}

.float-left 
/*Box 1 and 3*/ {
    float: left;
    margin-right: 25px;
}

.float-right 
/*Box 2*/ {
    float: right;
    margin-left: 25px;
}

#benefits 
/*skinny and long right pane*/ {
    margin-right: 20px;
    padding: 20px;
    clear: both;
    float: right;
    width: 22%;
    height: 100%;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background-color: #2589bd;
}

.benefit-lead,
.benefit-brand,
.benefit-cost {
    margin-bottom: 32px;
    color: #ffffff;
}

.benefit-lead h3,
.benefit-brand h3,
.benefit-cost h3 {
    margin-bottom: 10px;
    text-align: center;
    font-size: 30px;
}

.benefit-lead img,
.benefit-brand img,
.benefit-cost img {
    display: block;
    margin: 10px auto;
    max-width: 150px;
}

footer {
/* Sets footer position to center */
    padding: 30px;
    clear: both;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    text-align: center;
}

footer h2 {
    font-size: 20px;
}