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

body {
    background-color: #f0f0f0;
}

.header {
    padding: 30px;
    font-family: 'Helvetica', 'Arial', 'Calibri', 'Verdana', sans-serif;
    background-color: #2a607c;
    color: #ffffff;
}

.header h1 {
    display: inline-block;
    font-size: 45px;
}

.header h1 .seo {
    color: #2baeff;
}

.header nav {
    padding-top: 20px;
    margin-right: 20px;
    float: right;
    font-family: 'Helvetica', 'Arial', Calibri, 'Verdana', sans-serif;
    font-size: 22px;
}

.header nav ul {
    list-style-type: none;
}

.header nav ul li {
    display: inline-block;
    margin-left: 30px;
}

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

.header nav ul li a:hover {
    color: #2baeff;

}

p {
    font-size: 16px;
}

.hero {
    height: 500px;
    width: 100%;
    margin-bottom: 30px;
    background-image: url("./images/digital-marketing-meeting.jpg");
    background-size: cover;
    background-position: center;
}

.float-left {
    float: left;
    margin-right: 25px;
}

.float-right {
    float: right;
    margin-left: 25px;
}

.content {
    width: 73%;
    display: inline-block;
    margin-left: 30px;
}

.benefits {
    margin-right: 30px;
    padding: 30px;
    clear: both;
    float: right;
    width: 20%;
    height: 100%;
    font-family: 'Helvetica', 'Arial', Calibri, 'Verdana', sans-serif;
    background-color: #2a607c;
}

.benefit-lead,
.benefit-brand,
.benefit-cost {
    margin-bottom: 30px;
    color: #ffffff;
}

.benefit-lead h3,
.benefit-brand h3,
.benefit-cost h3 {
    margin-bottom: 15px;
    text-align: center;
    color: #2baeff;
}

.benefit-lead img,
.benefit-brand img,
.benefit-cost img {
    display: block;
    margin: 5px auto;
    max-width: 150px;
    width: 100%;
    height: auto;
}

.search-engine-optimization,
.online-reputation-management,
.social-media-marketing {
    margin-bottom: 20px;
    padding: 50px;
    height: 300px;
    font-family: 'Helvetica', 'Arial', Calibri, 'Verdana', sans-serif;
    background-color: #2a607c;
    color: #ffffff;
}

.search-engine-optimization img,
.online-reputation-management img,
.social-media-marketing img {
    max-height: 200px; 
}

.search-engine-optimization h2,
.online-reputation-management h2,
.social-media-marketing h2 {
    margin-bottom: 20px;
    font-size: 36px;
    color: #2baeff;
}

.footer {
    padding: 30px;
    clear: both;
    font-family: 'Helvetica', 'Arial', Calibri, 'Verdana', sans-serif;
    text-align: center;
}

.footer h4 {
    font-size: 16px;
}