body{
  background: #fff;
}
.containerr {
  display: block;
margin-top: 10%;
}
.form-box {
  width: 40rem;
  height: 53rem;
  margin: 5.3% auto 1%;
  background: white;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
}
.btn-box {
   /*width: 60%;*/
    border-radius: 3rem;
   width: 22.2rem;
   display: flex;
  margin: 8% auto;
 
  border: 1px solid gray;
  position: relative;
  text-align: center;
}
.toggle-btn {
  width: 50%;
  padding: 1rem 2.8rem;
  background: transparent; 
  position: relative;
  cursor: pointer;
  border: 0;
  outline: none;
   font-weight: 800;
    color: #000000;
}
#btn {
  width: 50%;
  height: 100%;
  position: absolute;
  border: 0;
  outline: none;
  border-radius: 3rem;
  background: #f0f0f0;
}
.login-form {
  width: 85%;
  position: absolute;
  transition: 1s;
  margin: 1% 0;
  line-height: 6rem;
}
.form-field {
  padding: 1.6rem;
  margin: 5px 0;
  background: transparent;
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  outline: none;
}
.form-field:focus {
  border: 1px solid #0056b3;
}
.submit {
  width: 75%;
  padding: 10px 35px;
  cursor: pointer;
  margin: 2% auto;
  display: block;
  border: 0;
  outline: none;
  border-radius: 3rem;
   background-color: #007bff;
  color: #fff;
}
.submit:hover,
.submit:focus,
.submit:active {
  background-color: #0056b3;
}
.checkbox {
  margin: 3rem 0.6rem;
}
span {
  color: #777;
  font-size: 1rem;
}
#login {
  left: 3rem;
}
#register {
  left: 68rem;
}
@media screen and (min-width: 768px) and (max-width: 991px) {
 
}
@media screen and (min-width: 428px) and (max-width: 767px) {
   html {
    font-size: 62.5%;
  }
  .containerr {
    width: 100%;
     margin-top: 15%;
  }
  .form-box {
    height: 62rem;
  }
  .btn-box {
    margin-top: 7rem;
   }
}

@media screen and (max-width: 428px) {
   html {
    font-size: 62.5%;
  }
  .containerr {
    width: 100%;
    margin-top: 15%;
  }
  .form-box {
    width: 100%;
    height: 62rem;
    padding: 0.2rem;
  }
  .btn-box {
    margin-top: 7rem;
   }
}