* {
  box-sizing: border-box;
}
input[type=text], select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  margin-top: 6px;
  margin-bottom: 16px;
  resize: vertical;
}

input[type=submit] {
  background-color: #04AA6D;
  color: white;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: #45a049;
}


.container {
  border-radius: 5px;
  background-color: #f2f2f2;
  padding: 10px;
}


.column {
  float: left;
  width: 50%;
  margin-top: 6px;
  padding: 20px;
}


.row:after {
  content: "";
  display: table;
  clear: both;
}

@media screen and (max-width: 600px) {
  .column, input[type=submit] {
    width: 100%;
    margin-top: 0;
  }
}