header {
    background-color: #bbbbbb;
    padding: 20px 0;
}

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

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

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

nav a{
    text-transform: uppercase;
    color: black;
    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;  
    background-color: #cccccc;
    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: 30 px;
    font-weight: bold;
}
.productos li:hover h2 {
    font-size: 33px;
}


.productos-descripcion{
    font-size:18px;
}
.producto-precio{
    font-size: 20px;
    font-size: bold;
    margin-top:10px;
}
footer{
    text-align: center;
    background: url(imagenes/bg.jpg);
    padding: 40px;
}   

.copyright{
    color: white;
    font-size: 12px;
    margin: 20px;
}