html {
    background-color: #0d0f14;
}

#title {
    text-align: center;
    color: aliceblue;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* #notion {
    filter: opacity(0);
    width: 125px;
    height: 100px;
    border: 0px solid #ccc;
    border-radius: 10px;
    padding: none;
    transition: width 2s, height 2s;
    transition-delay: 0.3s;
}*/

/* #notion:hover {
    filter: opacity(1);
    width: 900px;
    height: 400px;
} */

iframe {
    margin: 0 auto;
    display: block;
    position: fixed;
    top: 150px;
}

/* iframe:hover {
    top: 70px;
} */

.test {
    display: block;
    margin-left: auto;
    margin-right: auto;
    height: 50px;
    filter: invert(1);
}


#a:hover~#b {
    display: none;
}