* {
    box-sizing: border-box;
  }
  
body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
    padding: 0px;
    box-sizing: content-box;
}

header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: rgb(10, 5, 107)
}

header ul {
    list-style: none;
    margin: 20px;
}

header ul li {
    display: inline;
    margin: 15px;
    font-size: 1.2em;
}

header ul li a {
    text-decoration: none;
    color: aliceblue;
}

header ul li a:hover {
    text-decoration: underline;
}

header #buscar {
    text-align: right;
}

header #buscar input {
    width: 80%;
    border-radius: 5px;
    margin: 20px;

}

h1 {
    text-align: center;
}

main {
    width: 80%;
    margin: auto;
}

main h2 {
    padding: 7px;
    color: aliceblue;
    background: rgb(2,0,36);
    background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(255,255,255,1) 98%);
}

.productos{
    display: grid;
    grid-template-columns: 1fr;
}

.productos ul {    
    display: grid;
    grid-gap: 30px;
    grid-template-columns: 1fr 1fr;
    list-style: none;
    justify-content: space-evenly;
    align-content: space-around;
    margin: 0px;
    padding: 15px;
}
.productos ul li{
    position: relative;
}

.productos ul li img {
    display: block;
    max-width: 350px;
    max-height: 200px;
    margin: auto;
}

.productos ul li p{
    line-height: 1.5em;
}

.productos ul li .cantidades{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}

.productos ul li .cantidades fieldset{
    border: 1px rgb(2,0,36) solid ;
    border-radius: 6px;
    margin: 7px;
}

.productos ul li .cantidades select{
    width: 100%;
}


footer{
    background-color: black;
    color: aliceblue;
    text-align: center;
    padding: 25px;
}

footer ul{
    list-style: none;
    margin: 0;
}

footer ul li{
    display: inline;
    margin: 20px;
}
footer ul li a{
    color: aliceblue;
    text-decoration: none;
    font-size: 1.3em;
}

#formulario{
    margin: 20px;
}

#formulario fieldset{
    border: 1px rgb(2,0,36) solid ;
    border-radius: 6px;
    margin: 7px;
    background-color: floralwhite
}

#formulario fieldset input[type=text], #formulario fieldset input[type=number], #formulario fieldset textarea{
    box-sizing: border-box;
    color: darkblue;
    width: 99%;
    margin: 10px;
    padding: 3px;
    border-radius: 4px;
    border: 1px solid darkblue;
    padding: 4px;
    font-size: 1.3em;
}

#formulario fieldset input[type=submit]{
    display: block;
    margin: auto;
    background-color: darkblue;
    color: aliceblue;
    border: 1px darkblue solid;
    border-radius: 4px;
    font-size: 1.4em;
    color: aliceblue;
    padding: 7px;
}