diff --git a/lib/index.js b/lib/index.js
index ddeaba5..42686af 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -3,21 +3,98 @@ import postcss from 'postcss';
 const modDelim = process.env.REBEM_MOD_DELIM || '_';
 const elemDelim = process.env.REBEM_ELEM_DELIM || '__';
 
+function buildSelector (ctx, mod) {
+    let selector = '.';
+
+    if (ctx.blockName) {
+        selector += ctx.blockName;
+    }
+    if (ctx.elemName) {
+        selector += elemDelim + ctx.elemName;
+    }
+    if (mod) {
+        selector += modDelim + mod;
+    }
+
+    return selector;
+}
+
 export default postcss.plugin('rebem-css', () => (css) => {
     css.walkRules((rule) => {
         rule.selector = rule.selector
-            // :block(block) → .block
-            .replace(/:block\(([\w-]+)\)/g, '.$1')
-            // :elem(elem) → __elem
-            .replace(/:elem\(([\w-]+)\)/g, elemDelim + '$1')
-            // :mod(mod) → _mod
-            // :mod(mod val) → _mod_val
-            .replace(/:mod\(([\w-]+)\s?([\w-]+)?\)/g, (match, mod, val) => {
-                if (val) {
-                    return modDelim + mod + modDelim + val;
+            .replace(/(:block\(.+)/g, (match, rawSelector) => {
+
+                // ":block(b):mod(m v) div :block(b2)" -> [":block(b):mod(m v)", "div", "block(b2)"]
+                const groups = rawSelector.split(/\s+(?![\w\s->'",]+\))/gi);
+
+                const re = /(:+)([\w-]+)(\((['",\w->\s]+)\))?/g;
+                const ctx = { blockName: false, elemName: false };
+
+                // Convert all groups to CSS selectors
+                // :block(b):mod(m v) -> .b_m_v
+
+                const result = [];
+
+                for (const group of groups) {
+                    if (!group.match(re)) {
+                        result.push(group);
+                        continue;
+                    }
+
+                    let selector = '';
+                    let mathes = null;
+                    let requiredBuild = false;
+
+                    while ((mathes = re.exec(group)) !== null) {
+                        const _spliter = 1;
+                        const _tag = 2;
+                        const _rawValue = 3;
+                        const _value = 4;
+                        const spliter = mathes[_spliter];
+                        const tag = mathes[_tag];
+                        const rawValue = mathes[_rawValue];
+                        const value = mathes[_value] ?
+                          mathes[_value].replace(/([\(\)'"])/g, '').trim() : false;
+
+
+                        if (tag === 'block') {
+                            requiredBuild = true;
+                            ctx.blockName = value;
+                            ctx.elemName = false;
+                            continue;
+                        }
+
+                        if (tag === 'elem') {
+                            requiredBuild = true;
+                            ctx.elemName = value;
+                            continue;
+                        }
+
+                        if (tag === 'mod') {
+                            requiredBuild = false;
+                            const mod = value.replace(/(\s?->\s?|,\s?|\s+?)/g, modDelim);
+
+                            selector += buildSelector(ctx, mod);
+                            continue;
+                        }
+
+                        // For pseudo-classes
+                        selector += requiredBuild ? buildSelector(ctx) : '';
+                        selector += spliter + tag;
+                        if (rawValue) {
+                            selector += rawValue;
+                        }
+
+                        requiredBuild = false;
+                    }
+                    if (requiredBuild) {
+                        selector += buildSelector(ctx);
+                    }
+
+                    result.push(selector);
                 }
 
-                return modDelim + mod;
+                return result.join(' ');
             });
     });
 });
diff --git a/package.json b/package.json
index a682207..dc07db1 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,11 @@
   "name": "rebem-css",
   "version": "0.2.0",
   "description": "BEM syntax for CSS",
-  "keywords": [ "rebem", "bem", "css" ],
+  "keywords": [
+    "rebem",
+    "bem",
+    "css"
+  ],
   "homepage": "https://github.com/rebem/css",
   "repository": "rebem/css",
   "maintainers": [
@@ -10,23 +14,23 @@
     "Denis Koltsov <iam@mistadikay.com> (https://github.com/mistadikay)"
   ],
   "main": "build/index.js",
-  "files": [ "build/" ],
+  "files": [
+    "build/"
+  ],
   "dependencies": {
     "postcss": "5.0.x"
   },
   "devDependencies": {
-    "start-babel-cli": "1.x.x",
-    "start-rebem-preset": "0.x.x",
-
-    "babel-preset-es2015": "6.6.x",
-    "babel-plugin-add-module-exports": "0.1.x",
-
     "babel-eslint": "5.0.x",
+    "babel-plugin-add-module-exports": "0.1.x",
+    "babel-preset-es2015": "6.6.x",
+    "eslint-config-rebem": "1.1.x",
     "eslint-plugin-babel": "3.1.x",
-    "eslint-config-rebem": "0.3.x",
-
+    "estraverse-fb": "^1.3.1",
+    "husky": "0.11.x",
     "require-uncached": "1.0.x",
-    "husky": "0.11.x"
+    "start-babel-cli": "1.x.x",
+    "start-rebem-preset": "0.x.x"
   },
   "scripts": {
     "start": "start-runner start-rebem-preset",
diff --git a/readme.md b/readme.md
index f5f3a89..83c55f9 100644
--- a/readme.md
+++ b/readme.md
@@ -24,6 +24,9 @@ It just replaces substrings in selectors:
 ```css
 :block(block):elem(elem) {}
 .block__elem {}
+
+:block(block):elem(elem) :elem(elem2) :block(block2):elem(elem) {}
+.block__elem .block__elem2 .block2__elem {}
 ```
 
 #### `:mod()`
@@ -34,6 +37,9 @@ It just replaces substrings in selectors:
 
 :block(block):mod(mod val) {}
 .block_mod_val {}
+
+:block(block):mod(mod val):mod(mod2) {}
+.block_mod_val.block_mod2 {}
 ```
 
 ```css
@@ -51,7 +57,9 @@ It's just a custom pseudo-classes, so you can use it with Less or any other CSS
 ```less
 :block(block) {
     &:mod(mod) {
-
+        :elem(elem) {
+          
+        }
     }
 
     &:elem(elem) {
diff --git a/test/lib/index.js b/test/lib/index.js
index 46c9532..ecc3599 100644
--- a/test/lib/index.js
+++ b/test/lib/index.js
@@ -22,10 +22,38 @@ describe('plugin', () => {
 
         it('multiple blocks', () => {
             test(
-                ':block(block1) :block(block2)',
+                ':block(block1):elem(elem) :block(block2)',
+                '.block1__elem .block2'
+            );
+        });
+
+        it('block name with double quotes', () => {
+            test(
+                ':block("block1") :block("block2")',
+                '.block1 .block2'
+            );
+        });
+
+        it('block name with single quotes', () => {
+            test(
+                ':block(\'block1\') :block(\'block2\')',
                 '.block1 .block2'
             );
         });
+
+        it('with pseudo classes', () => {
+            test(
+                ':root :block(block1):mod(m v):hover::before :block(block1):nth-of-type(2)',
+                ':root .block1_m_v:hover::before .block1:nth-of-type(2)'
+            );
+        });
+
+        it('with other tags', () => {
+            test(
+                ':block(block1) div :block(bl2) img',
+                '.block1 div .bl2 img'
+            );
+        });
     });
 
     describe('elem', () => {
@@ -42,6 +70,13 @@ describe('plugin', () => {
                 '.block1__elem1 .block2__elem2'
             );
         });
+
+        it('block multiple short elems', () => {
+            test(
+                ':block(block1):elem(elem1) :elem(elem2) :elem(elem3)',
+                '.block1__elem1 .block1__elem2 .block1__elem3'
+            );
+        });
     });
 
     describe('mod', () => {
@@ -53,6 +88,13 @@ describe('plugin', () => {
                 );
             });
 
+            it('block multiple short mods', () => {
+                test(
+                    ':block(block):mod(mod):mod(mod2)',
+                    '.block_mod.block_mod2'
+                );
+            });
+
             it('multiple blocks shorts mods', () => {
                 test(
                     ':block(block1):mod(mod1) :block(block2):mod(mod2)',
@@ -60,6 +102,13 @@ describe('plugin', () => {
                 );
             });
 
+            it('multiple blocks mods with delimeter "-" in value', () => {
+                test(
+                    ':block(block):mod(mod val-1) :block(block):elem(icon)',
+                    '.block_mod_val-1 .block__icon'
+                );
+            });
+
             it('block mod', () => {
                 test(
                     ':block(block):mod(mod val)',
@@ -67,12 +116,33 @@ describe('plugin', () => {
                 );
             });
 
+            it('block mod with double quotes', () => {
+                test(
+                    ':block("block1"):mod("mod", "val")',
+                    '.block1_mod_val'
+                );
+            });
+
+            it('block mod with single quotes', () => {
+                test(
+                    ':block(\'block1\'):mod(\'mod\',\'val\')',
+                    '.block1_mod_val'
+                );
+            });
+
             it('multiple blocks mods', () => {
                 test(
                     ':block(block1):mod(mod1 val1) :block(block2):mod(mod2 val2)',
                     '.block1_mod1_val1 .block2_mod2_val2'
                 );
             });
+
+            it('mod val with delimeter "->"', () => {
+                test(
+                    ':block(block1):mod(mod1 -> val1) :block(block2):mod("mod2" -> "val2")',
+                    '.block1_mod1_val1 .block2_mod2_val2'
+                );
+            });
         });
 
         describe('elem', () => {
@@ -82,6 +152,12 @@ describe('plugin', () => {
                     '.block__elem_mod'
                 );
             });
+            it('elem multiple short mods', () => {
+                test(
+                    ':block(block):elem(elem):mod(mod):mod(mod2)',
+                    '.block__elem_mod.block__elem_mod2'
+                );
+            });
 
             it('multiple elems short mods', () => {
                 test(