header {
    text-align: center;
    background-image: url(/IMG/descarggggga.jpg);
    background-size: cover;
    height: 225px;
    color: white;
    font-size: 25pt;
    display: flex;
    justify-content: center;
}

aside {
    width: 20%;
    margin: 10px;
    float: left;
}

#section1 {
    width: 54%;
    margin: 15px;
    float: left;
}

.Bloque1 {
    background-image: url(/IMG/descarggggga.jpg);
    width: 90%;
    height: 50px;
    text-align: center;
    justify-content: center;
    display: flex;
    align-items: center;
    margin-left: 5%;
    color: white;
}

#polo {
    height: 268px;
    padding: 30px;
    border: solid black 2px;
    margin: auto;
    display: block;
}

.bl1 {
    background-color: lightgreen;
    border: 1px solid black;
}

.buo {
    background-image: url(/IMG/descarggggga.jpg);
    width: 90%;
    height: 50px;
    text-align: center;
    justify-content: center;
    display: flex;
    align-items: center;
    color: white;
}

#dosdos {
    background-color: rgb(248, 81, 81);
}

#dosnou {
    background-color: rgb(233, 35, 35);
}

#utres {
    background-color: rgb(245, 135, 135);
}

#udos {
    background-color: rgb(248, 131, 131);
}

#uhuit {
    background-color: rgb(248, 81, 81);
}

#tres {
    background-color: rgb(0, 4, 255);
}

#set {
    background-color: rgb(65, 118, 197);
}

#cuatre {
    background-color: rgb(0, 4, 255);
}

.udos {
    background-color: rgb(195, 218, 248);
}

.grey {
    background-color: rgb(182, 182, 182);
}

#tabla {
    padding: 18px;
}

#tyt {
    font-family: Arial, Helvetica, sans-serif;
    
}

.buit {
    background-color: white;
}

nav ul {
    background-color: rgb(30, 87, 30);
    padding: 10px;
    text-align: center;
    margin: -5px;
    border-top: 1px;
    border-top: solid;
    border-color: yellow;
}

nav a {
    color: yellow;
    padding: 60px;
    width: 150px;
}

nav li {
    display: inline;
}

#section2 {
    width: 20%;
    margin: 15px;
    float: left;
}

.txt1 {
    margin: 5px;
}

.art1 {
    background-image: url(/IMG/descarggggga.jpg);
    width: 90%;
    height: 50px;
    text-align: center;
    justify-content: center;
    display: flex;
    align-items: center;
    color: white;
}
.cloreclore {
    justify-content: center;
    align-items: center;
    max-width: 90%;
}
footer {
    margin-top: 42%;
    text-align: center;
    clear: both;
}