Personal-Website/themes/maik-blog/assets/scss/_code.scss

.collapsable-code {
    position: relative;
    width: 100%;
    margin: 40px 0;

    input[type="checkbox"] {
        position: absolute;
        visibility: hidden;
    }

    .highlight,
    .code-toolbar .highlight {
        max-height: 80vh;
        overflow: auto;

        transition: max-height 0.15s ease;

        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
    }

    input[type="checkbox"]:checked {
        ~ .highlight,
        ~ .code-toolbar .highlight {
            max-height: 0;

            padding: 0;
            border-top: none;
            overflow: hidden;
        }

        ~ .code-toolbar {
            padding: 0;
            border-top: none;

            .toolbar {
                display: none;
            }
        }

        ~ label {
            border-radius: 10px;
        }

        ~ label .collapsable-code__toggle:after {
            content: attr(data-label-expand);
        }
    }

    label {
        position: relative;
        display: flex;
        justify-content: space-between;
        background: $light-background-secondary;
        padding: 10px;
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
        min-width: 30px;
        min-height: 30px;
        margin: 0;
        cursor: pointer;

        .dark-theme & {
            background: $dark-background-secondary;
        }
    }

    &__title {
        flex: 1;
        color: $light-color;
        padding: 3px 10px;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        font-weight: 600;

        .dark-theme & {
            color: $dark-color;
        }
    }

    &__language {
        background: $light-background;
        color: $light-color;
        border-radius: 10px;
        padding: 3px 10px;
        font-weight: 600;

        .dark-theme & {
            background: $dark-background;
            color: $dark-color;
        }
    }

    &__toggle {
        color: $light-color;
        font-size: 16px;
        padding: 3px 10px;
        font-weight: 700;

        &:after {
            content: attr(data-label-collapse);
        }

        .dark-theme & {
            color: $dark-color;
        }
    }

    pre {
        margin-top: 0;
        margin-bottom: 0;
        border-radius: 0;
    }

    .code-toolbar {
        margin: 0;
    }
}