body {
  font-family: 'Arial', sans-serif;
}

#header{
  background-color: white;
  height:30px;
}

.title_page {
  margin: 10 auto;
  height:500;
  background-color: white;
}

.background-image {
  width: 100%;
  opacity: 0.6;
}

.title {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px #000000;
}

.sub-title {
    position: absolute;
    text-align: center;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    font-weight: bold;
    color: white;
}
.sub-sub-title {
    position: absolute;
    text-align: center;
    font-style: italic;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    font-weight: bold;
    color: white;
}

.chapters{
  text-align: center;
  margin: -50px;
}

.chapter_1{
  float:right;
  margin-right: 100px;
  width: 200px;
  height: 75px;
  border: 3px solid #73AD21;
  background-color:   #40E0D0;
}

#image_1{
  width: 20px;
}

#image_2{
  float:left;
  margin-left: 100px;
  width: 150px;
  height: 75px;
  border: 3px solid #73AD21;
  background-color:   #40E0D0; 
}

#image_3{
  margin-right: auto;
  margin-left: auto;
  width: 150px;
  height: 75px;
  border: 3px solid #73AD21;
  background-color:   #40E0D0; 
}

h1 {
  text-align: center;
  font-size: 100px;
  font-weight: bold;
  margin: 100px 0px 0px 20px;
}

h2 {
  text-align: center;
  font-size: 40px;
  font-weight: bold;
  margin: 100px 0px 30px 20px;
  color: #999;
}

.experience_layout {
  width: 80%;
  display: block;
  margin-top:20px;
  margin-left: auto;
  margin-right: auto;
}

.analysis_images{
  width: 75%;
  margin-left: auto;
  margin-right: auto;
}

.redesign_images{
  width: 75%;
  margin-left: auto;
  margin-right: auto;
}


.table-of-contents {
  text-align: center;
}

.chapter-image {
  width: 300px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}



.chapter {
  text-align: center;
}


.chapter-body {
  text-align: left;
  display: inline-block;
  vertical-align: top;
  width: 390px;
}

p {
  font-size: 20px;
  line-height: 26px;
  margin-bottom: 20px;
  width: 40%;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}

video {
  margin: 20px; 
}

.polaroid {
  float: right;
  width: 250px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  text-align: center;
}

.container {
  padding: 10px;
  float: right;
}

.floating-box {
    float: center;
    width: 150px;
    height: 75px;
    margin: 10px;
    border: 3px solid #73AD21;  
}