p {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 20px;
}
section {
  padding: 100px 0;
}

header {
  position: relative;
  background-position: center;
  background-image: url('../img/header.jpg');
  text-align: center;
  color: white;
}
header .header-content {
  position: relative;
  text-align: center;
  padding: 100px 15px 100px;
}

.about {
  background-color: #67BCDB;
}

.work-box {
  position: relative;
  display: block;
  max-width: 650px;
  margin: 0 auto;
}
.work-box .work-box-caption {
  color: white;
  opacity: 0;
  display: block;
  background: rgb(103, 188, 219);
  position: absolute;
  bottom: 0;
  text-align: center;
  width: 100%;
  height: 100%;
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
}
.work-box .work-box-caption .work-box-caption-content {
  width: 100%;
  text-align: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.work-box .work-box-caption .work-box-caption-content .project-category,
.work-box .work-box-caption .work-box-caption-content .project-name {
  font-family: Arial, sans-serif;
  padding: 0 15px;
}
.work-box .work-box-caption .work-box-caption-content .project-category {
  text-transform: uppercase;
  font-weight: 600;
  font-size: 14px;
}
.work-box .work-box-caption .work-box-caption-content .project-name {
  font-size: 18px;
}
.work-box:hover .work-box-caption {
  opacity: 1;
}
.work-box:focus {
  outline: none;
}
@media (min-width: 768px) {
  .work-box .work-box-caption .work-box-caption-content .project-category {
    font-size: 16px;
  }
  .work-box .work-box-caption .work-box-caption-content .project-name {
    font-size: 22px;
  }
}