.logo-img{
    width: 450px;
  }
  .green-zone{
    text-align: left; 
    padding: 50px;      
}

.selector{
    width: 17%;
    display: inline-block;
    margin-left:15px;
  }
 
  
  @media only screen and (max-width: 450px) {
    .logo-img {
      width: 80%;
    }
    .selector{
      width: 80%;
      display: block;
      margin-left:0px;   
    }
    .green-zone{
        text-align: left; 
        padding: 10px;  
        
    }
   
  }


  @media only screen and (max-width: 920px) {
  
    .selector{
      width: 70%;
      display: block;
      margin-left:0px;   
    }
  
   
  }

  @media only screen and (max-width: 510px) {
  
    .tracker-over-div{
      padding: 10px;
    }
  
   
  }