You’ll find the key bindings here: Preferences > Key bindings.
[
{ "keys": ["f12"], "command": "reindent", "args": { "single_line": false } },
{ "keys": ["ctrl+7"], "command": "toggle_comment", "args": { "block": false } },
{ "keys": ["ctrl+shift+7"], "command": "toggle_comment", "args": { "block": true } },
{ "keys": ["ctrl+shift+a"], "command": "alignment" },
{ "keys": ["ctrl+shift+y"], "command": "markdown_preview", "args": {"target": "browser", "parser":"markdown"} },
{ "keys": ["ctrl+alt+p"], "command": "autoprefixer" },
{ "keys": ["ctrl+alt+g"], "command": "wordpress_salts" },
]