contact.css

 /* Style inputs, select elements and textareas */
input[type=text], select, textarea{
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
  resize: vertical;
}

/* Style the label to display next to the inputs */
label {
  padding: 12px 12px 12px 0;
  display: inline-block;
}

/* Style the submit button */
input[type=submit] {
  background-color: #ff686b;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  float: center;
}



.contact-header{
  background-color: none;
	background-image: url("https://images.unsplash.com/photo-1518398046578-8cca57782e17?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80");
	background-repeat: no-repeat;
 	background-attachment: scroll;
 	background-position: center-top; 
	background-size: 2000px;
  opacity: 0.9;
	height: 20	vh;
	font-family: 'Poppins', sans-serif;
	color:#fff;
	border-radius: 0 !important;
}
.container {
  border-radius: 20px;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 15px 30px 15px 30px;
  border-radius: 3px;
}

.form {
  background-color: #fff;
  padding: 60px;
  width: 100%;
}

.col-25 {
  float: left;
  width: 25%;
  margin-top: 6px;
}

.col-75 {
  float: left;
  width: 75%;
  margin-top: 6px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout */
@media screen and (max-width: 600px) {
  .col-25, .col-75, input[type=submit] {
    width: 100%;
    margin-top: 0;
  }
} 

.form-section {
	background-color: #ccc !important;
}