erros no css enviar nao muda cor, dia e horario nao faz borda,opcao whats nao centraliza, nao consigo aumentar campo nome sobrenome

form label, form legend { display: block; font-size: 20px; margin: 0 0 100px; } .input-padrao{ display: block; margin: 0 0 20px; padding: 10px 25px; width: 60%; } .checkbox{ margin: 20px 0; } .enviar{ width: 40%; padding: 15px 0; background: orange; color: white; font-weight: bold; font-size: 18px; border:none; border-radius: 5px; transition: 1s all; cursor: pointer; }

.enviar: hover { background: darkorange; transform: scale(1.2); }

table{ margin: 20px 0 40px; }

thead{ background: #555555; color: white; font-weight: bold; }

td,th{ border: 1px solid #000000; padding: 8px 15px; }