@charset "utf-8";
h1{
    text-align: center;
    background-color: chocolate;
    color: aquamarine;
    padding: 1em;
}
ul{
    list-style-type: none;
    display: flex;
    flex-direction: row;
    padding: 0;
    margin: 0;
}
li{
    margin-bottom: 1em;
    flex-grow: 1;
}
a{
    display: block;
    background-color: brown;
    color: aquamarine;
    text-align: center;
    padding: 2em;
    border-radius: 50%;
    height: 150px;
    width: 150px;
    margin-left: 10%;
    margin-block: 4%;
 
}
body{
    background-image: url(imagenes/fondo.png);
    background-repeat: no-repeat;
    background-size: cover;
}
footer{
    background-color: chocolate;
    padding: 2em;
}
article{
    background-image: url(imagenes/fondoop.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}
div{
    text-align: center;
    background-color: brown;
    padding: 2em;
    margin-left: 20%;
    margin-right: 20%;
}
.caja{
    background-color: cornflowerblue;
    margin-left: 20%;
    margin-right: 20%;
 
}
th{
    background-color: cornflowerblue;
}
.contenido{
    margin-left: auto;
    margin-right: auto;
    width: 80%;
    background-color: gray;
    opacity: 90%;
}