.step {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
}

.step h1 {
    font-size: 3em;
    margin-top: 0.5em;
    margin-bottom: 0;
}

.step h2 {
    margin-top: 0.5em;
    font-weight: normal;
}
.step h3 {
    margin-top: 0;
    font-weight: normal;
    font-style: italic;
}

#marker {
    display: none;
    position: absolute;
    height: 10%;
    aspect-ratio: 1;
    border: 5px solid;
    border-image-slice: 1;
}

#next-8 {
    width: 25%;
    aspect-ratio: 1;
    position: absolute;
    right: 0;
    bottom: 0;
    background-color: greenyellow;
}

#btn-9 {
    width: 25%;
    aspect-ratio: 1;
    font-size: 3em;
    position: absolute;
    left: 0;
    bottom: 0;
    background-color: white;
    border: 1px dotted black;
}