.marker {
    background-color: var(--gris_claro);
    background-image: url('../img/icono.svg');
    background-size: 50%;
    background-repeat: no-repeat;
    background-position: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all .3s ease-in-out;
}
.marker:hover {
    background-color: var(--gris);
}

.mapa {
    width: 100%;
    height: 600px;
}
.icono_mapa {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    color: var(--rojo);
    font-size: 1.5em;
    cursor: pointer;
}
.icono_mapa:hover {
    color: var(--gris);
}