.flex-container {
  margin: 100px auto 0;
}

.itkv-logo {
  object-fit: contain;
  width: 15vw;
}

.portrait {
  position: relative;
  display: block;
  float: right;
  margin-left: auto;
  width: 50%;
  z-index: -1;
  margin: 0;
}

#parallax2 {
  position: absolute;
}

#parallax1 {
  width: 100%;
}

.firstHeadline {
  white-space: nowrap;
  margin-top: 100px;
  line-height: 1.5;
  z-index: 1;
}

.Leistungen {
  position: relative;
  background-color: #0056b8;
  color: white;
  padding: 3vw;
  min-height: 15vw;
}

.btn-bottom {
  position: absolute;
  display: block;
  bottom: 0;
  margin: 4vw 0 !important;
}

.logo-galerie {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  width: 70vw;
  margin: 0 auto 50px;
}

.logo-galerie > img {
  margin: 40px 50px;
  max-width: 220px;
  max-height: 70px;
  object-fit: contain;
}

/*FOOTER*/

.contact-btn {
  background-color: white;
  display: block;
  color: #0056b8;
  text-align: center;
  padding: 10px 0;
  margin: 30px 0 0 0;
  width: 100%;
  text-decoration: none;
}

/* RESPONSIVE SMARTPHONE*/

@media only screen and (max-width: 600px) {
  .portrait {
    float: none;
    margin: 0 auto;
    display: block;
    width: 100%;
  }

  #parallax2 {
    position: relative;
  }

  .flex-container {
    margin: 50px auto 50px;
  }

  .firstHeadline {
    margin-top: 0;
    white-space: normal;
  }

  .Leistungen {
    min-height: 20vh;
  }

  .flex-container > .column {
    width: 89vw;
  }

  .logo-galerie {
    width: 95%;
  }

  .logo-galerie > img {
    margin: 20px 20px;
    max-width: 130px;
    max-height: 50px;
  }
}