.tr-form7-wrapper {
  background:#fff;
  padding:20px;
  border:1px solid #ccc;
  max-width:900px;
  margin:auto;
}
input, textarea, select {
  width:100%;
  padding:6px;
  margin:4px 0;
  box-sizing:border-box;
}
textarea {
  min-height:60px;
}
button {
  background:#0073aa;
  color:#fff;
  padding:8px 14px;
  border:0;
  border-radius:3px;
  cursor:pointer;
}