.sign-in-form {
  padding: 1rem 1.5em;
  border-radius: .5rem;
  background-color: #3d454f;
}

.sign-in-form h4 {
  color: white;
  margin-bottom: 1rem;
  font-weight: 600;
  text-transform: uppercase;
}

.sign-in-form label {
  text-transform: uppercase;
  color: #adadad;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.sign-in-form input {
  color: white;
}

.sign-in-form input:focus {
  opacity: .8;
}

.sign-in-form-username,
.sign-in-form-password {
  border-radius: 30px;
  border: none;
  opacity: .1;
  transition: all ease .4s;
}

.sign-in-form-button {
  border-radius: 30px;
  border: 1px solid #fff;
  color: #fff;
  background-color: transparent;
  text-transform: uppercase;
  letter-spacing: 1px;
  width: 100%;
  padding: 1rem;
  transition: all ease .4s;
}

.sign-in-form-button:hover {
  background-color: #44c8ed;
  border-color: #44c8ed;
}