:root {
    --show-about-project-btn-filter: grayscale(0);
    --show-about-project-btn-z-index: 100;
}

.about_project_button {
    padding: var(--page-vertical-padding);
    z-index: var(--show-about-project-btn-z-index);
    filter: var(--show-about-project-btn-filter);
    transition: var(--nav-transition);
    justify-content: start;
    flex-direction: row;
    align-items: center;
    position: absolute;
    cursor: pointer;
    display: flex;
    opacity: 0;
    right: 0;
    top: 0;
}

.about_project_button.show {
    opacity: 1;
}

.about_project_button > .about_project_arrow {
    margin-inline-end: calc(var(--page-vertical-padding)/2);
    transition: var(--nav-transition);
    cursor: pointer;
}

.about_project_button > .about_project_button__btn {
    padding: calc(var(--page-vertical-padding)/4) calc(var(--page-vertical-padding)/2);
    line-height: var(--header-text-line-height);
    font-weight: var(--header-text-font-weight);
    font-size: var(--header-text-font-size);
    color: var(--accient-block-text-color);
    letter-spacing: var(--letter-spacing);
    background: var(--accient-color);
    text-transform: uppercase;
    align-items: center;
    cursor: pointer;
    display: flex;
    border: none;
}

.about_project_button:hover > .about_project_arrow {
    margin-inline-end: 0;
}

@media only screen and (max-width: 960px) {
    .about_project_button {
        display: none
    }
}