.form-container {
  height: 564px;
  margin: auto;
  margin-top: 100px;
  background: rgba(255, 255, 255, 0.836);
  background-size: auto;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: start;
}

.form-container h1 {
  font-size: 32px;
  font-weight: 600;
  display: inline-block;
  width: 50%;
  margin: 40px;
  margin-top: 80px;
  color: #0f1013;
}

form {
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
form div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
input:nth-child(1),
input:nth-child(2) {
  margin-left: 24px;
  font-size: 18px;
  padding: 8px 16px;
  border-radius: 2px;
  background-color: white;
  border: none;
  font-family: inherit;
  width: 50%;
  display: block;
  color: #0f1013;
}
input:nth-child(1):invalid + label,
input:nth-child(2):invalid + label {
  color: rgb(255, 0, 0);
}

label:nth-child(1),
label:nth-child(2) {
  margin-top: 16px;
}

input[type="submit"] {
  background-color: #43d940;
  height: 45px;
  width: 70%;
  border-radius: 500px;
  color: white;
  font-family: "Circular";
  font-size: 16px;
  text-transform: uppercase;
  border-style: none;
  letter-spacing: 2px;
  margin: 30px 24px;
}

.form-container label {
  margin: 8px 16px;
  margin-left: 24px;
}

/* dekstop */

@media (min-width: 600px) {
  .form-container {
    width: 80%;
    height: 564px;
    margin: auto;
    margin-top: 100px;
    background-image: linear-gradient(
        105deg,
        rgba(255, 255, 255, 0.836) 0%,
        rgba(255, 255, 255, 0.836) 50%,
        transparent 50%
      ),
      url("../src/img/form-bg.png");
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: start;
  }
}

/* mobile */

@media (max-width: 600px) {
  .form-container h1 {
    margin: 10% auto;
    width: 100%;
    text-align: center;
    font-size: 26px;
  }
  form {
    margin: auto;
    width: 70%;
  }
  form div {
    width: 80%;
  }
  input:nth-child(1),
  input:nth-child(2) {
    margin: auto;
    width: 100%;
  }

  label:nth-child(1),
  label:nth-child(2) {
    margin-top: 16px auto;
    text-align: center;
  }
  input[type="submit"] {
    margin: 30px auto;
    width: 100%;
    font-size: 12px;
  }
}