.email-button,
.theme-toggle {
    position: fixed;
    bottom: 2vh;
    padding: 1rem;
    border-radius: 50%;
    background-color: var(--color-strong-surface);
    color: var(--color-on-strong);
    font-size: 1.5rem;
    cursor: pointer;
}

.email-button:hover,
.email-button:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
    outline: var(--focus-ring-width) solid var(--color-focus-ring);
    outline-offset: 4px;
}

.email-button {
    right: 2vw;
}

.theme-toggle {
    left: 2vw;
}