*,
html,
body {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

a {
    color: white;
    text-decoration: none;
    margin-left: 5%;
    margin-right: 5%;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-thumb {
    /* barra desplazamiento */
    background-color: #0d6efd;
    border-radius: 50px 50px;
}