update global devtools id to --blink-dev-tools
segment out and style html crumbs
remove bottom border from elements panel
remove bottom border from elements panel
adjustments to fit panel status bar  under toolbar
update style of panel status bar
fix network header style
update html crumb style
update color of network timing bars
update style of network summary bar
fix whitespace
segment out ui for sources panel and update style
update style for console status bar
add default text color
fix tab content in console module
update ui for help form controls and find dialogue
style resources footer
modified pseudo elements to only highlight pseudo elements of selected or hovered elements
fix animation of horizontal split panels
restyle elements crumb because tabbed submodule navigation looks too simliar and they're too close together