@media(min-width:43em){

}
@media(min-width:65em){

   .receita form label:nth-child(1){ width: 10%}
.receita form label:nth-child(2){ width: 40%}
.receita form label:nth-child(3){ width: 15%; }
.receita form label:nth-child(4){ width: 30% ;}

}