body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    width: 24rem;
    background-image: linear-gradient(to bottom right, blue, darkblue);
    color: white;
    font-family: Arial, sans-serif;
}

input[type="radio"] {
    display: none;
}

h2 {
    margin: 0;
}

#switch-button {
    display: flex;
    margin-top: 2rem;
    width: fit-content;
    border: solid .0125rem transparent;
    border-radius: 2rem;
    box-shadow:
            0 max(.25rem, .25vw) max(.5rem, .5vw) max(.1875rem, .1875vw) rgba(0, 0, 0, .15),
            0 max(.0625rem, .0625vw) max(.1875rem, .1875vw) rgba(0, 0, 0, .3);
    overflow: clip;
}

#switch-button > * {
    padding: .5rem 1rem;
    background-color: white;
    color: black;
    font-weight: bold;
    opacity: .9;
}

#switch-button > :hover {
    opacity: 1;
}

#switch-button > :not(:first-child) {
    border-left: solid .0125rem black;
}