img {
  cursor: auto;
  width: 75%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

img.about {
  margin:auto; 
  width: 100%; 
  opacity: 0.7; 
  box-shadow: 10px 10px rgb(231, 231, 231); 
}

img.service-icons {
  margin: auto;
  width: 100px;
  height: 100%;
  border: 7px solid darkcyan;
  border-radius: 180px;
  padding: 20px;
}

img.professional {
  margin: auto;
  width: 90px;
  height: 100%;
  border: 7px solid darkcyan;
  border-radius: 180px;
  padding: 10px;
}

/* Stil für das Dark-Theme */
@media (prefers-color-scheme: dark) {
  img.about {
    box-shadow: 10px 10px black;
  }
  img.service-icons {
    background: #333;
  }
  
  img.professional {
    background: #333;
  }
}

img.logofav {
  width: 20px;
  height: 20px;
}

img.big {
  cursor: pointer;
  width: auto;
  height: auto;
  max-height: 90vh;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

img.gal {
  cursor: pointer;
  opacity: 1.0;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  border-radius: 6px;
}

img.gal:hover {
  opacity: 0.7;
  box-shadow: 2px 2px 20px rgb(124 241 255);
  border-radius: 10px;
}

@media screen and (max-width:700px) {
  img {
    cursor: auto;
    width: 75%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
  
  img.big {
    cursor: auto;
    width: 25%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
}

@media screen and (max-width: 600px) {
  img {
    cursor: auto;
    width: 75%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 30px;
  }
  
  img.big {
    cursor: auto;
    width: 75%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
} 

div.gallery {
    margin: 5px;
    float: left;
    width: 180px;
    height: 180px;
    opacity: 7.0;
  }
  
  div.gallery:hover {
    opacity: 10;
  }
  
  div.gallery img {
    width: 100%;
    height: auto;
    cursor: pointer;
  }
  
  div.desc {
    padding: 15px;
    text-align: center;
  }