.master-settings-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.master-settings-grid label{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.master-settings-grid input{
  width:100%;
  box-sizing:border-box;
  padding:9px 10px;
  border:1px solid #aaa;
  border-radius:8px;
  font:inherit;
}
@media(max-width:640px){
  .master-settings-grid{grid-template-columns:1fr}
}