haz lo que aprendimos

    /*css*/
    header{

background-color: #BBBBBB; padding: 20px 0;COPIA EL CÓDIGO }

.caja{ width: 940px; position: relative; margin: 0 auto; }

nav{ position: absolute; top: 110px; right: 0px; }

nav li{ display: inline-block; margin: 0 0 0 15px; }

nav a{ text-transform: uppercase; color: #000000; font-weight: bold; font-size: 22px; text-decoration: none; }

nav a:hover{ color:#C78C19; text-decoration: underline; }

.productos{ width: 940px; margin: 0 auto; padding: 50px; }

.productos li{ display: inline-block; text-align: center; width: 30%; vertical-align:top; margin: 0 1.5%; padding: 30px 20px; box-sizing: border-box; border: 2px solid #000000; border-radius: 10px; }

.productos li:hover{ border-color:#C78C19; }

.productos li:active{ border-color: #088c19; }

.productos h2{ font-size: 30px; font-weight: bold; }

.productos li:hover h2{ font-size: 33px; }

.producto-descripcion{ font-size: 18px; }

.producto-precio{ font-size: 20px; font-weight: bold; margin-top: 10x; }

footer{ text-align:center; background:url(imagenes/bg.jpg); padding: 40px; }

.copy-right{ color:#FFFFFF; font-size: 13px; margin:20px; }

main{ width: 940px; margin:0 auto; }

form{ margin:40px 0; }

form label, form legend{ display: block; font-size: 20px; margin:0 0 10px; }

form .input-padron, form textarea{ display: block; margin: 0 0 20px; padding: 10px 25px; width: 50%; }

.checkbox{ margin: 20px 0px; }

.enviar{ width: 40%; padding: 15px 0px; font-size: 18px; font-weight: bold; color: white; background: orange; border:none; border-radius: 5px; transition: 1s all; cursor: pointer; }

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

table{ margin: 40px 40px; }

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

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