nav {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #0e0d0d;
    height: 60px;
  }
  
  #myButton {
    background-color: #867d8c;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    margin-right: 10px;
    margin-top: 8px;
}

#myButton:hover {
    background-color: #f3820f;
}

#iframe_a {
  margin-top: 8px;
  width: 100%;
  height: 400px;
}

  .logo {
    margin-right: auto;
    margin-left: auto;
  }
  
  .logo img {
    width: 166px;
    height: 57px;
  }

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    background-color: #f1f1f1;
  }
  
  nav ul li {
    display: inline-block;
  }
  
  nav ul li a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: #333;
  }
  
  nav ul li a:hover {
    background-color: #ddd;
  }
  .Marquee-box {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 67px;
    -webkit-perspective: 500px;
            perspective: 500px;
    top: auto;
    left: auto;
    z-index: 100;
 }
 .MyMarquee {
    text-align: center;
    font-weight: bold;
    width: 100%;
    height: 100%;
    font-size: 25px;
    border: 3px solid #8C8C8C;
    color: #FFFFFF;
    font-family: Arial, Helvetica, sans-serif;
    vertical-align: middle;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    background-color: #512B70;

    transform: rotateX(10deg);
    transform-origin: 50% 50% 0px;
 }
 .MyMarquee div {
    display: inline-block;
    vertical-align: middle;
 }
 .MyMarquee a, .MyMarquee img {
    display: inline-block;
    text-decoration: underline;
    color: #FFFFFF;
    vertical-align: middle;
 }
 a  {
   text-decoration: none;
   color: black;
    }
    
   .container{
       display: flex;
       flex-wrap: wrap;
   }
   .body {
   background: rgba(61, 48, 69, 1);
   }
   .item{
       margin: 5px;
       padding-left: 5px;
       padding-right: 5px;
       word-spacing: 8px;
       flex: 1 1 45px;
       text-align: center;
       background: rgba(67, 255, 100, 0.85);
       border-radius: 16px;
       box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
       backdrop-filter: blur(5px);
       -webkit-backdrop-filter: blur(5px);
       border: 1px solid rgba(255, 255, 255, 0.3);
   }
.group{
   padding-top: 7px;
   padding-bottom: 7px;
   color: #14edcf;
   outline-style: groove;
   }