* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
/* BODY CSS: */
body {
    background-color: #d9dcd6;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

/* HEADER: */
header {
    padding: 20px;
    background-color: #2a607c;
    color: #ffffff;
}

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

header h1 .seo {
    color: #d9dcd6;
}

header div {
    padding-top: 15px;
    margin-right: 20px;
    float: right;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 20px;
}

header div ul {
    list-style-type: none;
}

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

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

p {
    font-size: 16px;
}

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


/* MAIN CONTENT CSS STARTS */
.content {
    width: 75%;
    display: inline-block;
    margin-left: 20px;
}
/* all section inside class "content" 
will have the following property:*/
.content section{
    margin-bottom: 20px;
    padding: 50px;
    height: 300px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background-color: #0072bb;
    color: #ffffff;
}
/* all images inside class "content" 
will have maxheight 200px*/
.content section img{
    max-height: 200px;
}
/* all h2 inside class "content" 
and section will have similar properties*/
.content section h2{
    margin-bottom: 20px;
    font-size: 36px;
}
/* css of float-left and float-right class: */
.float-left {
    float: left;
    margin-right: 25px;
}

.float-right {
    float: right;
    margin-left: 25px;
}
/* MAIN CONTENT CSS ENDS */

/* ASIDE CSS STARTS */

/* class "benefits" have following properties */
.benefits {
    margin-right: 20px;
    padding: 20px;
    clear: both;
    float: right;
    width: 20%;
    height: 100%;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background-color: #2589bd;
}
/* section inside class "benefits" 
have following properties */
.benefits section{
    margin-bottom: 32px;
    color: #ffffff;
}
/* all h3 inside class "benefits" 
have similar properties */
.benefits h3{
    margin-bottom: 10px;
    text-align: center;
}


/* all images inside class "benefits" 
have similar properties */
.benefits img{
    display: block;
    margin: 10px auto;
    max-width: 150px;
}

/* FOOTER CSS: */
footer {
    padding: 30px;
    clear: both;
    text-align: center;
}

footer h2 {
    font-size: 20px;
}