tobspr_shapez.io/src/css/ingame_hud/buildings_toolbar.scss

#ingame_HUD_buildings_toolbar {
    position: fixed;
    @include S(bottom, 0px);
    left: 50%;
    transform: translateX(-50%);

    $toolbarBg: rgba($accentColorBright, 0.9);
    display: flex;
    flex-direction: column;
    background-color: rgb(255, 255, 255);
    background: transparent;
    border-bottom-width: 0;
    transition: transform 0.12s ease-in-out;

    background: uiResource("toolbar_bg.lossless.png") center center / 100% 100% no-repeat;
    @include S(padding, 20px, 100px, 0);

    &:not(.visible) {
        transform: translateX(-50%) translateY(#{D(100px)});
    }

    .buildings {
        display: grid;
        grid-auto-flow: column;
        @include S(margin-bottom, 2px);

        .building {
            color: $accentColorDark;
            display: flex;
            flex-direction: column;
            position: relative;
            align-items: center;
            justify-content: center;
            @include S(padding, 5px);
            @include S(padding-bottom, 1px);
            @include S(width, 35px);
            @include S(height, 40px);

            background: center center / 70% no-repeat;

            &:not(.unlocked) {
                @include S(width, 30px);
                opacity: 0.8;
                background-image: none !important;

                &::before {
                    content: " ";
                    background: uiResource("locked_building.png") center center / #{D(20px)} #{D(20px)}
                        no-repeat;
                    position: absolute;
                    top: 0;
                    right: 0;
                    bottom: 0;
                    left: 0;
                    z-index: 4;
                }
            }

            @include S(border-radius, 4px);

            &.selected {
                background-color: rgba(74, 163, 223, 0.3) !important;
                transform: scale(1.05);
                .keybinding {
                    color: #111;
                }
            }

            pointer-events: all;
            transition: all 0.05s ease-in-out;
            transition-property: background-color, transform;

            &.unlocked:hover {
                background-color: rgba($accentColorDark, 0.1);
                cursor: pointer;
            }
        }
    }
}