= form_tag url, :method => :post do 
  = label_tag "Message"
  = text_area_tag "message", nil, rows: 3, placeholder: "Please write a message."
  = submit_tag submit_label || "Submit"
.detail {
font-size: 1.6em;
display: inline;
position: relative;
top: .1em;
padding-left: .5em;
}