body {
    font-family: 'Arial', sans-serif;
    background: url("7.png") no-repeat center center fixed;
    background-size: cover;
    color: #ffffff;
    margin: 0;
    padding: 20px;
}

header img {
    width: 200px;
    display: block;
}

header button {
    background-color: black;
    padding: 10px;
    border: none;
    color: white;
    cursor: pointer;
}

header a {
    color: white;
    text-decoration: none;
    font-size: larger;
}

span {
    margin-right: 25px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
}

header a {
    color: #fff;
    text-decoration: none;
    margin-right: 1rem;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 1rem 0;
}

h1 {
    text-align: center;
    color: #ffa500;
}

section {
    margin: 20px 0;
    padding: 10px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.5);
}

h2 {
    color: #ff6347;
    margin-bottom: 10px;
}

ul {
    list-style-type: square;
    padding-left: 20px;
}

ul li {
    margin: 5px 0;
}

button {
    background-color: #ff6347;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button a{
    color:white;
}
button:hover {
    background-color: #ffa500;
}
header img{
    width: 200px;
    display:block;
    position: relative;
}
header button{
    background-color: black;
    padding:10px
}
header a{
    color: white;
    text-decoration: none;
    font-size: larger;
}
span{
    margin-right: 25px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
}


header a {
    color: #fff;
    text-decoration: none;
    margin-right: 1rem;
}


hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 1rem 0;
}
 .Intro h1{
    text-align: center;
 }

 .dropbtn {
    background:transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    cursor: pointer;
  }
  
  .dropdown {
    position: relative;
    display: inline-block;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color:#123456;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  .dropdown:hover .dropdown-content {
    display: block;
  }
  
  .dropdown:hover .dropbtn {
    background-color:#8A2BE2;
  }