#top-section{
  margin-top: 50px;
  margin-bottom: 63px;
}

.top-img{
  height: 213px;
  background-image: url("../img/phone/png/2x/top-img.png");
  background-size: cover;
  position: relative;
}

.top-img h1{
  text-align: center;
  color: white;
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 100%;
  font-size: 24px;
  line-height: 43px;
}

.balloon-flex-container{
  display: flex;
  justify-content: center;
}
.balloon-container{
  position:relative;
  width: 100%;
  max-width: 350px;
  height: 405px;
}

.balloon{
  width: 50%;
  max-width: 154px;
}

.balloon:nth-child(1){
  position: absolute;
  top: -20px;
  right: 50px;
}

.balloon:nth-child(2){
  position: absolute;
  top: 130px;
  left: 20px;
}

.balloon:nth-child(3){
  position: absolute;
  top: 220px;
  right: 0px;
}

.support-title{
  margin-bottom: 54px;
}

.support-title p {
  text-align: center;
  font-size: 15pt;
  font-weight: bold;
}

.part-container{
  display: flex;
  justify-content: center;
}

.part{
  width: 25%;
  max-width: 135px;
}

.hidden-part{
  display: none;
}

.part img{
  width: 100%;
}

@media (min-width: 900px){
  #top-section{
    margin-top: 137px;
    margin-bottom: 87px
  }

  .top-img{
    background-image: url("../img/png/2x/top-img.png");
    height: 716px;
  }

  .top-img h1{
    top: 50%;
    font-size: 55pt;
    line-height: 135pt;
    font-weight: bold;
  }

  .balloon-container{
    width: 100%;
    max-width: 100%;
    max-height: 320px;
  }

  .balloon{
    width: 25%;
    max-width: 280px;
  }

  .balloon:nth-child(1){
    top: -100px;
    right: 45%;
  }
  
  .balloon:nth-child(2){
    top: 60px;
    left: 10%;    
  }
  
  .balloon:nth-child(3){
    top: 40px;
    right: 10%;
  }

  .support-title p {
    font-size: 35pt;
  }

  .part{
    width: 15%;
    max-width: 200px;
  }

  .hidden-part{
    display:block;
  }
}