body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, #b3ecff 0%, #007acc 100%);
    color: white;
    text-align: center;
}

header {
    background-color: rgba(0, 0, 50, 0.7);
    padding: 20px;
    height: 100px;
}

nav{
    background-color: rgb(53, 51, 175);
    width:100%;
    height: 70px;
}

main {
    padding: 40px 20px;
}

.aquarium {
    background-color: rgba(0, 100, 200, 0.4);
    border: 4px solid white;
    border-radius: 20px;
    padding: 40px;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px auto;
    max-width: 700px;
    height: 100px;
}

.fish {
    font-size: 3em;
    animation: swim 6s infinite alternate;
}

@keyframes swim {
    from { transform: translateX(0); }
    to { transform: translateX(100px); }
}


.links {
    display: flex;
    flex-direction: column;
    align-items:flex-start;
    justify-content:center;
    width: 30%;
    height: 600px;
    float: left;
}

.mitte{
    width:40%;
    height: 600px;
    float: left;
}

.rechts {
    width:30%;
    height: 600px;
    float: left;
}



.social-buttons {
    list-style-type: none;
    padding: 0;
}
  
  .social-buttons li {
    margin-bottom: 10px;
}
  
.btn-social {
    padding: 10px 15px;
    background-color:#0851a0;
    color: rgb(146, 139, 139);
    border: none;
    border-radius: 15px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;}
  
.btn-social:hover {
    background-color: #0056b3;
}

.button {
  border-radius: 4px;
  background-color:rgb(20, 33, 44);
  border: none;
  color:rgb(236, 220, 220);
  text-align: center;
  font-size: 16px;
  padding: 20px;
  width: 100px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
  float:left;
}

.button span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}
 
.button span:after {
  content: "➧";
  position: absolute;
  opacity: 0;
  top: 0;
  right: -10px;
  transition: 0.5s;
}



.button:hover span {
  padding-right: 25px;
}
 
.button:hover span:after {
  opacity: 1;
  right: 0;
}

.contact-info {
    padding: 20px;
    border-radius: 10px;
    width: 100%;
    box-shadow: 0 2px 8px rgba(126, 103, 103, 0.1);
  }

.contact-info address {
    font-style: normal;
    line-height: 1.8;
    color: #ece2e2;
}

.contact-info i {
    color: #c6d4e4;
    margin-right: 8px;
    width: 20px;
    text-align: center;
}

.contact-info a {
    color: #d8e2ec;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}


footer {
    background-color: rgba(0, 0, 50, 0.7);
    padding: 10px;
    font-size: 0.9em;
    width:100%;
    float: right;
}