body {
  font-family: "Lato", sans-serif;
}

.main-head {
  height: 150px;
  background: #FFF;
}

.sidenav {
  height: 100%;
  background-color: #000;
  overflow-x: hidden;
  padding-top: 20px;
}

.main {
  padding: 0px 10px;
}

@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
}

@media screen and (max-width: 450px) {
  .login-form {
    margin-top: 10%;
  }

  .register-form {
    margin-top: 10%;
  }
}

@media screen and (min-width: 768px){
  .main {
    margin-left: 40%; 
  }

  .sidenav {
    width: 40%;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
  }

  .login-form {
    margin-top: 80%;
  }

  .register-form {
    margin-top: 20%;
  }
}

.login-main-text {
  margin-top: 20%;
  font-size: 30px;
  padding: 60px;
  color: #fff;
}

.login-main-text h2 {
  font-weight: 600;
}

.btn-black {
  background-color: #000000 !important;
  color: #fff;
}

.error-message {
  color: red !important;
  font-size: 14px;
  margin-top: 5px;
}