body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
    padding: 0px;
    max-width: 1100px;
    margin: auto;
    background-color: black;
    font-size: 0.9em;
}

header,
footer {
    background-color: #000b2e;
    color: #cfc9fa;
}

header {
    display: grid;
    grid-template-columns: 50% 50%;
    text-align: center;
}

header div h1 {
    margin: 0px;
    padding: 0px;
    font-size: 3em;
    margin-top: 60px;
}

main {
    background-color: white;
    padding: 40px;
}

main table {
    width: 100%;
    border-collapse: collapse;
}



main table td,
main table th {
    border: 2px solid #000b2e;
    height: 20px;
    padding-left: 8px;
}
main table td{
    font-weight: 800;
}

main table th {
    background-color: #000b2e;
    color: white;
}


footer {
    display: grid;
    grid-template-columns: auto auto auto;
    text-align: center;
}

footer div {
    padding: 15px;
}

#tabla1 {
    margin-bottom: 60px;
}
#tabla1 td{ 
    height: 40px;
}

.blanco_sin_bordes {
    background-color: white;
    border: 0px;
}