:root {
    font-size: large;
    
}
body {
    background-color: gray;
}

h1 {
    text-align: center;
}
img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    filter: drop-shadow(0 0 0.25rem rgb(255, 255, 255));
    
}

.pre-centrado {
    text-align: center;
}
.div-centrado {
    display:flex;
    justify-content: center;
}
.div-centrado01 {
    font-size:medium;
    color:white;
    display:block;
    justify-content: center;
    text-align: center;
}
.a-color{
    color:#ff5555;
    text-shadow: 1px 1px 2px red, 0 0 1em blue, 0 0 0.2em blue;
}
.a-color:visited{
    color:#ff5555;
    text-shadow: 1px 1px 2px red, 0 0 1em blue, 0 0 0.2em blue;
}
.div-centrado02 {
    display:block;
    justify-content: center;
    text-align: center;
}

.contenedor-accordions {
    margin:0 5%;
}
/* #header0 {
    color:blue;
} */
.accordion-button:focus  {
    border-color: blue;
    box-shadow: none;

}