p {
    text-align: justify;
}

header {
    background-color: darkgray;
}

:not(li)>:not(a.btn):visited {
    color: rgb(186, 113, 255) !important;
}

.vis-hid {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.vis-hid:focus {
    position: static;
    width: auto;
    height: auto;
    margin: 1em 0;
}