chrome-extensions-samples/api-samples/tabs/inspector/window_and_tabs_manager.css

.window-item {
    background-color: #aaeeee;
    margin: 4px;
    padding: 8px;
    margin: 20px;
}

.window-id-wrapper {
    font-style: italic;
    width: 80px;
    display: inline-block;
}

.window_left,
.window_right,
.window_width,
.window_height {
    display: inline-block;
}

.window-status-input {
    width: 60px;
}

.tab-item {
    background-color: #eeeeee;
    margin: 8px;
    padding: 4px;
}

.wrapper {
    margin: 8px;
}

.tab_id {
    font-style: italic;
    width: 80px;
    display: inline-block;
}

.tab-actions-wrapper {
    display: inline-block;
}

.tab_index {
    width: 20px;
}

.tab_window_id {
    width: 80px;
}

#log {
    background-color: #eeaaee;
    margin: 20px;
    padding: 8px;
}

.input-group {
    display: flex;
    justify-content: space-between;
}

.label {
    display: inline-block;
}

.tab_title,
.tab_url,
#new_window_url,
#window_id_new,
#url_new {
    width: 90%;
}

.new-window-wrapper {
    background-color: #eeeebb;
    margin: 20px;
    padding: 8px;
}

.new-tab-wrapper {
    background-color: #eeeeaa;
    margin: 20px;
    padding: 8px;
}

h3 {
    text-align: center;
    margin: 8px;
}

.window_left,
.window_top,
.window_width,
.window_height,
#new_window_left,
#new_window_top,
#new_window_width,
#new_window_height {
    width: 50px;
}

.new-window-status-wrapper {
    display: inline-block;
}

.actions-wrapper {
    margin: 20px;
}