.navbar {
    overflow: hidden;
    background-color: #333;
  }
  
  .navbar a {
    float: left;
    font-size: 16px;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  .dropdown {
    float: left;
    overflow: hidden;
}
  
.dropdown .dropbtn {
    font-size: 16px;  
    border: none;
    outline: none;
    color: rgb(24, 230, 41);
    padding: 14px 16px;
    background-color: inherit;
font-family: inherit;
 margin: 0;
}
  
.navbar a:hover, .dropdown:hover .dropbtn {
    background-color: teal;
}
  
.dropdown-content {
    display: none;
    position: absolute;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(221, 12, 12, 0.2);
    z-index: 1;
}
  
.dropdown-content a {
    float: none;
    color: rgb(0, 140, 255);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}
  
.dropdown-content a:hover {
    background-color: khaki;
}
  
.dropdown:hover .dropdown-content {
    display: block;
}
.BBT {
    background-color: yellow;
    border: none;
    position: absolute;
    transform: translate(-50%, -50%);
    Top:50%;
    left: 50%;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
}
.S {
    background-color: yellow;
    border: none;
    position: absolute;
    transform: translate(-50%, -50%);
    Top:67%;
    left: 50%;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
}
.T {
    background-color: yellow;
    border: none;
    position: absolute;
    transform: translate(-50%, -50%);
    Top:82%;
    left: 50%;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
}
.F {
    background-color: yellow;
    border: none;
    position: absolute;
    transform: translate(-50%, -50%);
    Top:97%;
    left: 50%;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
}
.FF {
    background-color: yellow;
    border: none;
    position: absolute;
    transform: translate(-50%, -50%);
    Top:112%;
    left: 50%;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
}