style.css

* {
    padding: 0;
    margin: 0;
}

main {
    margin-top: 80px;
    margin-bottom: 10px;
    margin-left: 10px;
    margin-right: 10px;
    padding-top: 10px;
    padding: 10px;
}

ul {
    margin-left: 2rem;
    margin-top: 0.2rem;
    text-align: left;
}

body {
    background-color: antiquewhite;
    text-align: justify;
    font-size: large;
    font-family: 'Exo 2', sans-serif;
}

h1 {
    text-align: center;
    font-size: xxx-large;
    font-weight: bolder;
    font-family: 'MuseoModerno', sans-serif;
}

h2 {
    text-align: left;
    font-family: 'MuseoModerno', sans-serif;
}

#bajada-del-titulo {
    font-size: medium;
    font-family: 'MuseoModerno', sans-serif;
}

footer {
    background-color: rgb(44, 44, 44);
    color: whitesmoke;
    text-align: left;
    font-style: italic;
    text-wrap: 1px;
    font-size: small;
    padding: 2rem;
}

.texto_footer{
    margin: 0.8rem;
}

img {
    position: relative;
    max-width: 100%;
    border-radius: 3%;
    width: 500px;
}

.pieDePagina {
    font-size: small;
}

.enlaces-navegador {
    display: flex;
    gap: 10px;
    font-size: 10px;
}

nav {
    background-color: antiquewhite;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: stretch;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.5);
}

.pieFin {
    position: relative;
    padding: 10px 10px 10px 10px;
}

table {
    display: table;
    box-sizing: content-box;
    table-layout: fixed;
    border-collapse: collapse;
    border: 3px solid black;
    text-align: center;
    min-width: 200px;
    overflow-wrap: anywhere;
}

col {
    border: 3px solid black;
}

td {
    padding: 10px;
    border: 2px solid black;
}

.cabecera_cuadro {
    background-color: rgb(110, 177, 177);
    font-weight: bolder;
}

a:hover {
    cursor: pointer;
    filter: invert(0.3);
}

/* Estilo del icono hamburguesa */
.hamburguesa {
    width: 35px;
    height: 3px;
    background-color: black;
    margin: 6px 0;
}

/* Estilo del contenedor del icono */
.contenedor {
    display: inline-block;
    cursor: pointer;
    padding: 1rem;
}

/* Estilo del menú de navegación */
.menu {
    display: none;
    position: absolute;
    top: 3.6rem;
    width: 50%;
    bottom: 0;
    z-index: 1;
    opacity: 95%;
}

/* Estilo de los elementos del menú */
.menu a {
    display: block;
    text-align: left;
    padding: 1.5rem;
    text-decoration: none;
    color: wheat;
    font-family: 'MuseoModerno', sans-serif;
    background-color: rgb(44, 41, 41);
}

/* Estilo de los elementos del menú al pasar el ratón */
.menu a:hover {
    background-color: gray;
    filter: invert(1);
    font-style: italic;
}

/* Estilo del menú cuando está activo */
.activo {
    display: block;
}

/*Aspecto del botón ir hacia arriba*/
/* CSS */
#myBtn {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Fixed/sticky position */
    bottom: 20px;
    /* Place the button at the bottom of the page */
    right: 30px;
    /* Place the button 30px from the right */
    z-index: 99;
    /* Make sure it does not overlap */
    border: none;
    /* Remove borders */
    outline: none;
    /* Remove outline */
    background-color: grey;
    /* Set a background color */
    color: powderblue;
    /* Text color */
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 15px;
    /* Some padding */
    border-radius: 10px;
    /* Rounded corners */
    font-size: 18px;
    /* Increase font size */
}

#myBtn:hover {
    background-color: #555;
    /* Add a dark-grey background on hover */
}

#bloque_inicial{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    height: 3.6rem;
    
}

#título_bloque_inicial{
    margin: 1rem;
    font: 1.5em sans-serif;
}

.contenedor_universal {
    position: fixed;
    top: 0;
    width: 100%;
    margin-top: 0;
    background: antiquewhite;
    z-index: 1;
    opacity: 90%;
  }