* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  box-sizing: border-box;
}

html {
  background: #d1d1d1;
  background: url(../img/calc-img2.jpg);
  background-image: url(../img/calc-img2.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

h1 {
  background-color: #f0ecec;
}

input:focus {
  outline: none;
}

form {
  max-width: 400px;
  min-height: 40vh;
  margin: 8rem auto;
  box-shadow:
    rgba(50, 50, 93, 0.25) 0px 13px 27px -5px,
    rgba(0, 0, 0, 0.3) 0px 8px 16px -8px;
  text-align: center;
  border-radius: 0.5rem;
  background: #bfb4b9;
  background: linear-gradient(
    98deg,
    rgba(191, 180, 185, 0.432) 0%,
    rgba(18, 78, 146, 0.418) 52%
  );
}

.login {
  color: rgb(48, 34, 34);
  padding-top: 100px;
  margin: 1.5rem;
}
.login h2 {
  margin-bottom: 1rem;
}

input {
  width: 200px;
  height: 30px;
  border-radius: 0.3rem;
  border: none;
  padding-left: 5px;
  color: #746d6f;
}

input::placeholder {
  opacity: 0.7;
  padding-left: 1px;
}

#btn-form {
  margin-top: 2rem;
  background-color: #6594ca;
  opacity: 1;
  border: none;
  border-radius: 1rem;
  padding: 1rem 1.4rem;
  max-width: 100px;
  cursor: pointer;
  align-self: flex-end;
  color: #fff;
  transition: 0.4s;
  font-size: medium;
}