.intro {
  background-image: url(../images/joinus/top-view-clear-ocean-water-texture.png.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}

.intro .content {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 50px 0;
  color: #fff;
}

.first-img {
  border-radius: 5px;
}

.title {
  font-weight: 700;
  line-height: 57px;
  letter-spacing: 0.2px;
  color: #01599d;
}

.description {
  font-size: 1.25rem;
  line-height: 30px;
  letter-spacing: 0.2px;
  color: #252b42;
}

.waveBG {
  margin-top: 5rem;
}
.waveBG:after {
  background-image: url('../images/bg_wave3.svg');
}

.download {
  font-size: 0.9rem;
}

.download:before {
  content: '';
  background-repeat: no-repeat;
  background-position-x: center;
  background-position-y: 0;
  background-size: 0.8rem 0.75rem;
  display: inline-block;
  width: 1rem;
  height: 0.9rem;
  margin: 0 5px -3px 0;
  animation: downArrow 10s ease-in-out infinite;
}

.download:before {
  background-image: url('../images/icon_arrow_down_w.svg');
  border-bottom: 2px solid white;
}

@media (max-width: 768px) {
  .title {
    font-size: calc(1.375rem + 1.5vw);
  }

  .first-img {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .intro .content {
    height: auto;
    flex-direction: column;
    padding: 10px;
  }
}

@media (min-width: 576px) {
}

@media (max-width: 576px) {
  .download {
    font-size: 0.7rem;
  }
  .download-intro {
    margin-right: 0 !important;
  }
}

@keyframes downArrow {
  0% {
    background-position-y: -2rem;
  }
  10% {
    background-position-y: -0.25rem;
  }
  20% {
    background-position-y: 0;
  }
  30% {
    background-position-y: -0.25rem;
  }
  40% {
    background-position-y: 0;
  }
  50% {
    background-position-y: -0.25rem;
  }
  60% {
    background-position-y: 0;
  }
  70% {
    background-position-y: -0.25rem;
  }
  80% {
    background-position-y: 0;
  }
  90% {
    background-position-y: -0.25rem;
  }
  100% {
    background-position-y: 2rem;
  }
}