style.css

body, html {
  background-color: #EDEDED !important;   
}

.intro {
  text-align: center;
  padding: 13% 0;
  margin-bottom: 50px;
}

.intro h1 {
  font-weight: 900;
  text-transform: uppercase;
}

.intro h5 {
  text-transform: uppercase;
  background-color: #f5f5f5;
  padding: 10px;
  color: #333333;
  display: inline-block;
  font-size: 1.2rem;
}

.about .col {
    margin-bottom: 24px;
}

.about h5, .about h6 {
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 15px;
    text-align: center;
}
.about h6 {
    margin-bottom: 45px;
}

.about .card {
    text-align: center;
}

.about .card img {
    border-radius: 100%;
}

.about hr {
    width: 40px;
    margin-bottom: 45px;
}
.portfolio .col {
    margin-bottom: 24px;
}

.portfolio h5 {
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 15px;
}
.portfolio h6 {
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 45px;
}
.portfolio hr {
    width: 40px;
    margin-bottom: 45px;
}
.portfolio .portfolio-holder {
    clear: both;
    text-align: center;
}
.portfolio img {
    width: 33%;
    display: inline-block;
    float: left;
}