*{ box-sizing: border-box; }

html, body{
  font-family: Verdana, sans-serif;
  padding:0;
  margin:0;
}

.main{
  background-image: url("../img/gruppenbild_edinger_haie.JPG");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  height: 100vh;
  width: 100vw;
  padding-top: 50px;
}

/* Slogan */
.slogan{
  background: red;
  max-width: 800px;
  color: white;
  margin-left: auto;
  margin-right: auto;
  height: 150px
}

.slogan:after{
  content:" ";
  width:100%;
  clear: both;
  display: block;
}

.logo,.text{
  float:left;
  text-align: center;
}

.logo img{
  display: inline-block;
  height: 150px
}

.text h1{
  margin:0;
  padding: 10px 20px 0;
  font-size: 70px;
}

.text:after{
  content:" ";
  width:100%;
  clear: both;
  display: block;
}

.text span{
  font-size: 40px;
  padding: 10px 20px 0 40px;
}

/* Buttons */
.buttons{
  position: absolute;
  bottom: 50px;
  width: 100%;
}
.col{
  width: 20%;
  padding: 0 10px;
  float: left;
}
.button{
  background: red;
  display: block;
  color: white;
  text-align: center;
  text-decoration: none;
  padding: 5px;
}

/* Footer */
.footer{
  position: absolute;
  bottom:10px;
  right: 10px;
}

.footer a{
  text-decoration: none;
  color: black;
}

@media (max-width: 760px){
  .main{
    background: none;
    padding:0;
  }
  .slogan{
    height:auto;
    background: none;
    color: black;
  }
  .col{
    width:100%;
  }

  .logo,.text{float: none;}
  .buttons,.footer{ position: static;}

  .button{
    padding: 20px 25px;
    margin: 10px;
  }
}