Mautic In-line form

.mauticform-label {
  color: #000000; 
  display: inline-block;
}

.mauticform-row {
  display: inline-block
}

.mauticform-button {
  margin-bottom: 9px;
  font-size: 20px;
  padding: 5px 20px 5px 20px;
  color: black;
  background-color: white;
  border: none;
}

.x-btn:hover, .button:hover, [type="submit"]:hover {
    color: #ffffff;
    border-color: #600900;
    background-color: #6ecc71;
    margin-bottom: 7px;
    text-shadow: none;
    box-shadow: none;
}

.x-btn, .button, [type="submit"] {
    color: #ffffff;
    border-color: #ac1100;
    background-color: #2ecc71;
    margin-bottom: 7px;
    text-shadow: none;
    box-shadow: none;
    border-radius: 0.25em;
}

Seria interessante criar exemplo aplicado no uso.