body {
  padding: 0;
  margin: 0;
  background: #fff;
}

.header {
  content: "";
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
  height: 100%;
}

.overlay {
  position: absolute;
  min-height: 100%;
  min-width: 100%;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.6);
}

/* description */
.description {
  left: 50%;
  position: absolute;
  top: 45%;
  transform: translate(-50%, -55%);
  text-align: center;
}
.description h1 {
  color: var(--light);
}
.description p {
  color: #fff;
  font-size: 1.3rem;
  line-height: 1.5;
}
.description button {
  border: 1px var(--secondary);
  background:var(--primary);
  border-radius: 0.5em;
  color:#fff;
}
.description button:hover {
  border: 1px var(--secondary);
  background: var(--secondary);
  color:#fff;
}

/* features */
.features {
  margin: 4em auto;
  padding: 1em;
  position: relative;
}
.feature-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.features img {
  -webkit-box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
  -moz-box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
  margin-bottom: 16px;
}
.features .form-control,
.features input {
  border-radius: 0;
}
.features .btn {
  background-color: var(--primary);
  border: 1px solid var(--primary);
  color: #fff;
  margin-top: 20px;
}
.features .btn:hover {
  background-color: #333;
  border: 1px solid #333;
}