.sfc_calculator { margin: 0 auto; max-width: 320px; }
.sfc_calculator div { margin: 0 0 5px; max-width: 320px; }
.sfc_calculator div.separator { text-align: center; margin: 5px 0 15px; border-bottom: 1px solid #414141; }
.sfc_calculator div.separator div { margin: 0; display: inline-block; background-color: #414141; padding: 1px 12px; position: relative; top: 10px; text-align: center; color:#fff; }
.sfc_calculator div.anp { border: 1px solid #414141; padding: 5px; }
.sfc_calculator input { width: 100%; box-sizing: border-box; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; }