.main-css {
  padding-top: 90px;
}

.contact-first-section {
  position: relative;
  margin: 40px auto;
  width: 700px;
  background: rgba(0,0,0,0.9);
  padding: 40px 20px;
  box-shadow: inset 2px 3px 6px #0aff0a83;
  border-radius: 8px;
}

.contact-first-section h1 {
  color: rgb(110, 216, 110);
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.contact-form-container {
  max-width: 400px;
  margin: 0 auto;
}

.contact-form-container .contact-form {
  /* padding: 20px; */
  /* background: #fff; */
  /* border-radius: 8px; */
  box-shadow: 2px 3px 6px rgba(0, 0, 0, 0.1);
  max-width: 100%;
}

.contact-form .form-item-container {
  width: 100%;
}

.form-item-container input, .form-item-container textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-bottom: 15px;
  background: black;
  color: #fff;
}

.form-item-container input[type=text]:focus, .form-item-container textarea:focus {
  border: 2px solid #0aff0a;
}

.form-item-container input {
  font-size: 16px;
}

.form-item-container textarea {
  font-size: 14px;
  height: 130px;
  resize: none;
}

.error-span {
  font-size: 12px;
  color: rgb(223, 56, 56);
  background: none;
  border: 1px solid white;
  border-radius: 4px;
  padding: 5px 8px;
  margin-bottom: 10px;
  display: none;
}

.error-span li {
  list-style: none;
}

.form-item-container button {
  font-size: 20px;
  padding: 10px 20px;
  margin-top: 15px;
  background: #09c909;
  ;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-item-container button:hover {
  opacity: 0.8;
}

.form-item-container button:active {
  transform: translateY(2px);
}

/* Styles for responsiveness */
@media screen and (max-width: 780px) {
  .contact-first-section {
     width: 100%;
 
  }
}

@media screen and (max-width: 480px) {
  .contact-first-section {
    padding: auto;
  }

  .contact-form-container h1 {
    font-size: 2rem;
  }

  .form-item-container button {
    font-size: 18px;
    padding: 8px 16px;
  }
}