/* Style inputs with type="text", select elements and textareas */
input[type=text], select, textarea {
  width: 100%; /* Full width */
  padding: 12px; /* Some padding */
  border: 1px solid #ccc; /* Gray border */
  border-radius: 4px; /* Rounded borders */
  box-sizing: border-box; /* Make sure that padding and width stays in place */
  margin-top: 6px; /* Add a top margin */
  margin-bottom: 16px; /* Bottom margin */
  resize: vertical /* Allow the user to vertically resize the textarea (not horizontally) */
}

/* Style the submit button with a specific background color etc */
input[type=submit] {
  background-color: #4CAF50;
  color: white;
  padding: 12px 20px;
  border: 1px solid #00af53;
  border-radius: 4px;
  cursor: pointer;

}

.col-25, .col-75, input[type=submit] {
   width: 100%;
}

/* When moving the mouse over the submit button, add a darker green color */
input[type=submit]:hover {
  background-color: #45a049;

}

/* Add a background color and some padding around the form */
#form {

  float: none;
  margin: 0 auto;
  margin-top: 100px;
  margin-bottom: 390px;
  color: white;

  text-align: center;
  font-size: 20px;
  width: 60%;
}

#form h2{
color: black;
}

#ia {
text-align: center;
border: 1px solid black;
margin-top: 40px;
padding: 15px;
}

article#hlavní-sloupec {
float: left;
width: 30%;
margin-top:10px;
text-align: center;
}