.navbar {
    /* background-color: #04a57d; */
    background-color: #04a0a5;
    height: 80px;
  /* color: #fff; */
    border-bottom: 3px solid #fff;
  }
  
  .navbar-brand a{
    color: #fff;
    font-weight: bold;
  }

  .navbar-footer-book {
    color: #d49306;
    font-weight: bold;
    font-size: 48px;
  }

  .first-part {
    color: #f9ba32;
    font-weight: bold;
    font-size: 28px;
  }
  .navbar-brand-book {
    color: #ffffff;
    font-weight: bold;
    font-size: 28px;
  }
  
  .navbar-nav {
    margin-left: auto;
  }
  
  .navbar-nav .nav-link {
    color: #fff;
    padding: 0.5rem 1rem;
    text-align: center;
    font-weight: bold;
    margin-right: 10px;
  }
  
  .navbar-nav .nav-link:hover {
    color: #fbe413;
  }
  
  /* adjust the width of register and login buttons */
.nav-link.register-.login-button, .nav-link.login-button {
    width: 120px;
  }
  
  /* style for register button */
  .nav-link.register-.login-button {
    border: 2px solid #fff;
    border-radius: 30px;
  }
  
  /* style for login button */
  .nav-link.login-button {
    background-color: #fff;
    border-radius: 30px;
    color: #04a57d;
    border:3px solid #fff;

  }

  /* style for login button */
  .nav-link.login-button:hover {
    background-color: #04a0a5;
    border-radius: 30px;
    color: #fff;
    border:3px solid #fff;
  }
  
  

  
  
  
  
  
  .body {
    margin-top: 40px;
    margin-right: 10px;
    margin-left: 10px;
    height: 100vh;
    padding: 20px;
    /* border: 1px solid #04a57d; */
    /* margin: 10px; */
  }

  @media (max-width: px) {
    .first-part {
      color: #f9ba32;
      font-weight: bold;
      font-size: 24px;
    }
    .navbar-brand-book {
      color: #ffffff;
      font-weight: bold;
      font-size: 28px;
    }
    .navbar-collapse {
      position: fixed;
      top: 80px;
      right: 0;
      height: 100vh;
      width: 0;
      overflow-x: hidden;
      background-color: #04a57d;
      z-index: 999;
      transition: width 0.1s;
      border-top: 2px solid #fff;
    }
    .navbar-collapse.show {
      width: 60%;
    }
    .navbar-nav {
      margin: 0 auto;
      display: block;
      text-align: center;
    }
    .navbar-nav .nav-link {
      display: block;
      padding: 1rem;
    }
    .register-button,
    .login-button {
      margin: 0.5rem 0;
    }
    .nav-link.login-button:hover {
        background-color: #28a745;
        border-radius: 30px;
        color: #fff;
        border:3px solid #fff;
      }
    .nav-link.register-button, .nav-link.login-button {
        width: 90%;
        margin-left: 20px;
      }
    
  }


  @media (max-width: 376px) {
    .first-part {
      color: #f9ba32;
      font-weight: bold;
      font-size: 24px;
    }
    .navbar-brand-book {
      color: #ffffff;
      font-weight: bold;
      font-size: 28px;
    }
    .navbar-collapse {
      position: fixed;
      top: 80px;
      right: 0;
      height: 100vh;
      width: 0;
      overflow-x: hidden;
      background-color: #04a57d;
      z-index: 999;
      transition: width 0.1s;
      border-top: 2px solid #fff;
    }
    .navbar-collapse.show {
      width: 60%;
    }
    .navbar-nav {
      margin: 0 auto;
      display: block;
      text-align: center;
    }
    .navbar-nav .nav-link {
      display: block;
      padding: 1rem;
    }
    .register-button,
    .login-button {
      margin: 0.5rem 0;
    }
    .nav-link.login-button:hover {
        background-color: #28a745;
        border-radius: 30px;
        color: #fff;
        border:3px solid #fff;
      }
    .nav-link.register-button, .nav-link.login-button {
        width: 90%;
        margin-left: 20px;
      }
    
  }

  @media (max-width: 821px) {
    .navbar-collapse {
      position: fixed;
      top: 80px;
      right: 0;
      height: 100vh;
      width: 0;
      overflow-x: hidden;
      background-color: #04a57d;
      z-index: 999;
      transition: width 0.1s;
      border-top: 2px solid #fff;
    }
    .navbar-collapse.show {
      width: 60%;
    }
    .navbar-nav {
      margin: 0 auto;
      display: block;
      text-align: center;
    }
    .navbar-nav .nav-link {
      display: block;
      padding: 1rem;
    }
    .register-button,
    .login-button {
      margin: 0.5rem 0;
    }
    .nav-link.login-button:hover {
        background-color: #28a745;
        border-radius: 30px;
        color: #fff;
        border:3px solid #fff;
      }
    .nav-link.register-button, .nav-link.login-button {
        width: 90%;
        margin-left: 20px;
      }
  }

  @media (max-width: 767px) {
    .navbar-collapse {
      position: fixed;
      top: 80px;
      right: 0;
      height: 100vh;
      width: 0;
      overflow-x: hidden;
      background-color: #04a57d;
      z-index: 999;
      transition: width 0.1s;
      border-top: 2px solid #fff;
    }
    .navbar-collapse.show {
      width: 60%;
    }
    .navbar-nav {
      margin: 0 auto;
      display: block;
      text-align: center;
    }
    .navbar-nav .nav-link {
      display: block;
      padding: 1rem;
    }
    .register-button,
    .login-button {
      margin: 0.5rem 0;
    }
    .nav-link.login-button:hover {
        background-color: #28a745;
        border-radius: 30px;
        color: #fff;
        border:3px solid #fff;
      }
    .nav-link.register-button, .nav-link.login-button {
        width: 90%;
        margin-left: 20px;
      }
  }