.rdiv {
    display: block;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
    border: 0;}
  .rbig {
    flex-grow: 1;
    border: none;
    margin: 0;
    padding: 0; 
    }
  .div {
    color: white;
    text-align: right;
    background-color: black;
  }
  body{
    
    background: url(/image/background.jpg);
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
  }
  ul {
    position: fixed;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgb(158 96 4);
  }
  
  li {
    float: left;
  }
  
  li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  li a:hover {
    background-color: #111;
  }
  li a:active {
    background-color: #111;
  }
  body {
    background-color: #424242;
  }
  
  .tmain {
      margin: auto;
      margin-top:10vh;
      width: 70vw;
      height:40vh;
      padding: 10px;  
  }
  .main {
      margin: auto;
      margin-top:5vh;
      width: 70vw;
      height:40vh;
      padding: 10px;  
  }
  .main h1{
      color: #fff;
      font-size: 60px;
      text-align: center;
  }
  .tmain h1{
      color: #fff;
      font-size: 60px;
      text-align: center;
  }
  #btn {
      border: 1px solid #fff;
      border-radius: 50px;
      text-decoration: none;
      padding: 10px 18.5px;
      text-align: center;
  }
  .bpl {
      position: absolute;
      left: 50%;
      -ms-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
  }
  
  .navBar{
    width: 100%;
    top: 0;
    left: 0;
  }
  
  a:hover{
    cursor: pointer;
  }