.back{
    width: 100%;
    height: 650px;
    background-color:black
}
body{
    margin: 0;
    background-color: black;
}
.right{
    width: 500px;
    height: 100%;
   
    
    float: left;
    
    margin-bottom: 10px;
   }
   
   
    .left{
    width: 800px;
    height: 100%;
    float: right;
    background-image: url("pic1.png");
    background-size: cover;
    background-position: center;
   }
   p{
    font-size: 50px;
    color: aliceblue;
   }
   .para
   {
    color: aliceblue;
    margin-top: 120px;
    font-size: 35px;
    margin-left: 40px;
    color: yellow;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-weight: bold;
   }
   .sen{
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
   }
   .po{
    font-size: 20px;
    margin-left: 40px;
   }
   .btn{
    margin-left: 70px;
   }
   .tt
   {
    text-decoration: none;
    color:yellow;
    
   }
  button{
    border: solid 1px;
    border-color: yellow;
    background-color: black;
    width: 300px;
    height: 40px;

  }