.hvac-calc-wrap { border:1px solid #e3e3e3; padding:16px; max-width:540px; }
.hvac-calc-wrap label { display:block; margin-bottom:8px; }
#hvac-calc-result { margin-top:12px; font-size:1.1rem; }
.hvac-estimate { background:#f7f7f7; padding:10px; border-radius:6px; }
.hvac-calc-form input {
    padding: 15px 5px  !important;
}