body {
    color: #ffffff;
    font-family: Verdana, Geneva, Tahoma, sans-serif
}
a {
    color: #ffffff;
}
h1 {
    text-align: center;
    margin: auto;
}
::-webkit-scrollbar {
    width: 3px;
}
::-webkit-scrollbar-thumb {
    background:  rgba(0,0,0,0.3);
    border-radius: 5px;
}
.fullscreen {
    display: none;
}
@media (min-width: 501px) {
    .fullscreen {
        display: block;
    }
}