quiz question

/****** 
GENERAL
******/ 
a {
  text-decoration:none;
  }
#wrapper {
  max-width:940px;
  margin: 0 auto;
}

body{
    font-family: 'Open Sans', sans-serif;align-content:
}

img {
    max-width:100%
}

h3 {
    margin: 0 0 1em 0;
}

/****** 
HEADER
******/ 

header {
    float: left;
    margin: 0px 30px 30px 0px;
    padding: 45px 0px 0px 0px;
    width: 100%;
}

#logo {
  text-align:center;
  margin: 0;
}

header {
    background:#54b8b2;
}

h1 {
    color: #ffffff;
    font-family: 'Cabin', sans-serif;
    margin: 0 0;
        padding: 20px 10px;
    font-size: 2.15em;
    font-weight: 800;
    line-height: 0.8em;
}
h2 {
    color: #ffffff;
    font-size: 0.95em;
    margin: -5px 0 0;
    font-weight: normal;
}

/****** 
NAVAGATION
******/ 

nav {
    text-align:center;
    padding: 10px 0px;
    margin: 40px 0px 0px  0px;
}

nav ul {
list-style-type: none;
margin: 0px 0px 0px 0px;
padding: 20px 0px;
background-color: #167c72;

}

nav li {
display: inline-block;
}

nav a {
    font-weight: 800;
      display: block;
    color: white;
    text-align: left;
    padding: 15px 40px;
    text-decoration: none;
border-right: 3px solid #bbb;
}
nav a, nav a:visited {
    color: #ffffff}

nav a:hover{
    color: #ffffff;
background-color:#000000;
}

/****** 
FOOTER
******/ 
footer {
    font-size: 0.75 em;
    text-align:center;
    padding-top: 30px;
}

/****** 
PAGE PORTFOLIO
******/ 

#gallery{
    margin: 0;
    padding: 0;
    list-style: none;
}

#gallery li {
    float:left;
    width: 100%;
    margin: 0;
    background-color: #f5f5f5;
    color:#bdc3c7;
}

/****** 
PAGE ABOUT
******/ 

.profile-photo {
    display:block;
    max-width: 150px;
    margin: 0 auto 30px;
    border-radius: 100%;
}

/****** 
CONTACT
******/ 
    .contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9em;
}

contact.info {
    display:block-level;
    min-height: 20px;
    background-repeat:no-repeat;
    background-size: 20px 20px;
    padding: 0 0 0 30px;
    margin: 0 0 10px;
}
.contact-info li.phone {
    background-image: url('../img/a1.JPG');
}

.contact-info li.mail {
    background-image: url('../img/a2.JPG');
}

.contact-info li.linkedin {
    background-image: url('../img/a3.JPG');
}

/****** 
PHOTO SECTION OF SERVICES
******/ 
div.img {
    margin: 10px;
    border: 1px solid #ccc;
    float: left;
    width: 270px;
}

div.img:hover {
    border: 1px solid #777;
}

div.img img {
    width: 100%;
    height: auto;
}

div.desc {
    padding: 10px 0 0 0;
    text-align: center;
}