body {
  background-image: url("https://www.stcqa.com/wp-content/uploads/2018/03/Website-Design-Background.jpg");
  padding: 0px;
  margin: 0px;
  font-family: 'Nunito';
  font-size: 16px;
}

input, button, {
  font-family: 'Nunito';
  font-weight: 700;
}

.main-div, .loggedin-div, .add-user-div, .add-user-div2 {
  width: 20%;
  margin: 0px auto;
  margin-top: 150px;
  padding: 20px;
  display: none;
}

.main-div input, .add-user-div input, .add-user-div2 input {
  display: block;
  border: 1px solid rgb(255, 253, 253);
  border-radius: 5px;
  background-color: transparent;
  padding: 15px;
  outline: none;
  width: 100%;
  margin-bottom: 20px;
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
}

.main-div input:focus, .add-user-div input:focus, .add-user-div2 input:focus {
  border: 1px solid rgb(131, 131, 131);
}

.main-div button, .loggedin-div button, .add-user-div button, .add-user-div2 button {
  background: #ffffff7c;
  color: #fff;
  border: 1px solid #ffffff;
  border-radius: 5px;
  padding: 15px;
  display: block;
  width: 100%;
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
}

.main-div button:hover, .loggedin-div button:hover, .add-user-div button:hover, .add-user-div2 button:hover {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
  cursor: pointer;
}

.main-div, .loggedin-div, .add-user-div, .add-user-div2 {
  background-color: transparent;
  border: 1px solid rgb(255, 253, 253);
  position: middle;
  -webkit-animation: mymove 0.2s infinite; 
  -webkit-animation-timing-function: linear; 
  animation: mymove 0.2s infinite;
  animation-timing-function: linear;
}