slight modification of Default Adaptive theme for Sublime Text 3

Adaptive.sublime-theme

[
    // Title Bar
    {
        "class": "title_bar",
        "attributes": ["file_medium_dark"],
        "bg": ["background", 0, 0, 0, 0.25]
    },
    // Side Bar
    {
        "class": "sidebar_container",
        "parents": [{"class": "window", "attributes": ["file_medium_dark"]}],
        "layer0.tint": ["background", 0, 0, 0, 0.25],
        "layer0.opacity": 1.0,
        "content_margin": 0,
    },
    {
        "class": "tree_row",
        "attributes": ["selectable", "hover"],
        "layer0.tint": [255, 255, 255, 0.1],
        "layer0.opacity": 1.0,
    },
    {
        "class": "tree_row",
        "attributes": ["selected"],
        "layer0.tint": [255, 255, 255, 0.1],
        "layer0.opacity": 1.0,
    },
    // Tabs
    {
        "class": "tabset_control",
        "attributes": ["file_medium_dark"],
        "tint_modifier": ["background", 0, 0, 0, 0.25],
    },
    // Status Bar
    {
        "class": "status_bar",
        "parents": [{"class": "window", "attributes": ["file_medium_dark"]}],
        "layer0.tint": ["background", 0, 0, 0, 0.35],
        "layer0.opacity": 1.0,
        "layer1.texture": "Theme - Default/common/footer_divider.png",
        "layer1.inner_margin": [0, 1, 0, 1],
        "layer1.draw_center": false,
        "layer1.tint": [0, 0, 0],
        "layer1.opacity": 0.2,
        "content_margin": [8, 0, 8, 0],
    },
    // Views
    {
        "class": "auto_complete",
        "row_padding": [4, 1, 4, 1],
        "tint_index": 0,
        "layer0.opacity": 1.0,
        "tint_modifier": [255, 255, 255, 0.05],
    },
    // Panels
    {
        "class": "panel_control",
        "layer0.tint": ["background", 0, 0, 0, 0.35],
        "layer0.opacity": 1.0,
        "content_margin": 2
    },
]