diff --git a/package-lock.json b/package-lock.json
index bd4357ddb..2d67fc4fe 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -4414,6 +4677,12 @@
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@@ -4492,6 +4761,12 @@
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+    "node_modules/eslint/node_modules/file-entry-cache": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
+      "integrity": "sha512-XXTUwCvisa5oacNGRP9SfNtYBNAMi+RPwBFmblZEF7N7swHYQS6/Zfk7SRwx4D5j3CH211YNRco1DEMNVfZCnQ==",
+      "dev": true,
+      "dependencies": {
+        "flat-cache": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
+    "node_modules/eslint/node_modules/find-up": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
+      "integrity": "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==",
+      "dev": true,
+      "dependencies": {
+        "locate-path": "^6.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
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+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-4.0.1.tgz",
+      "integrity": "sha512-f7ccFPK3SXFHpx15UIGyRJ/FJQctuKZ0zVuN3frBo4HnK3cay9VEW0R6yPYFHC0AgqhukPzKjq22t5DmAyqGyw==",
+      "dev": true,
+      "dependencies": {
+        "flatted": "^3.2.9",
+        "keyv": "^4.5.4"
+      },
+      "engines": {
+        "node": ">=16"
+      }
+    },
+    "node_modules/eslint/node_modules/glob-parent": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
+      "integrity": "sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A==",
+      "dev": true,
+      "dependencies": {
+        "is-glob": "^4.0.3"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
+    "node_modules/eslint/node_modules/json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true
+    },
+    "node_modules/eslint/node_modules/levn": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
+      "integrity": "sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==",
+      "dev": true,
+      "dependencies": {
+        "prelude-ls": "^1.2.1",
+        "type-check": "~0.4.0"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/eslint/node_modules/locate-path": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
+      "integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+      "dev": true,
+      "dependencies": {
+        "p-locate": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/eslint/node_modules/optionator": {
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
+      "integrity": "sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==",
+      "dev": true,
+      "dependencies": {
+        "deep-is": "^0.1.3",
+        "fast-levenshtein": "^2.0.6",
+        "levn": "^0.4.1",
+        "prelude-ls": "^1.2.1",
+        "type-check": "^0.4.0",
+        "word-wrap": "^1.2.5"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/eslint/node_modules/p-locate": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
+      "integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+      "dev": true,
+      "dependencies": {
+        "p-limit": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/eslint/node_modules/prelude-ls": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
+      "integrity": "sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/eslint/node_modules/type-check": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
+      "integrity": "sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==",
+      "dev": true,
+      "dependencies": {
+        "prelude-ls": "^1.2.1"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/espree": {
+      "version": "10.3.0",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-10.3.0.tgz",
+      "integrity": "sha512-0QYC8b24HWY8zjRnDTL6RiHfDbAWn63qb4LMj1Z4b076A4une81+z03Kg7l7mn/48PUTqoLptSXez8oknU8Clg==",
+      "dev": true,
+      "dependencies": {
+        "acorn": "^8.14.0",
+        "acorn-jsx": "^5.3.2",
+        "eslint-visitor-keys": "^4.2.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
     "node_modules/esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
@@ -7807,6 +8363,30 @@
         "node": ">=4"
       }
     },
+    "node_modules/esquery": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.6.0.tgz",
+      "integrity": "sha512-ca9pw9fomFcKPvFLXhBKUK90ZvGibiGOvRJNbjljY7s7uq/5YO4BOzcYtJqExdx99rF6aAcnRxHmcUHcz6sQsg==",
+      "dev": true,
+      "dependencies": {
+        "estraverse": "^5.1.0"
+      },
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
+    "node_modules/esrecurse": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.3.0.tgz",
+      "integrity": "sha512-KmfKL3b6G+RXvP8N1vr3Tq1kL/oCFgn2NYXEtqP8/L3pKapUA4G8cFVaoF3SU323CD4XypR/ffioHmkti6/Tag==",
+      "dev": true,
+      "dependencies": {
+        "estraverse": "^5.2.0"
+      },
+      "engines": {
+        "node": ">=4.0"
+      }
+    },
     "node_modules/estraverse": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.3.0.tgz",
@@ -10891,6 +11471,12 @@
       "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==",
       "dev": true
     },
+    "node_modules/json-stable-stringify-without-jsonify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
+      "integrity": "sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==",
+      "dev": true
+    },
     "node_modules/json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
@@ -11084,6 +11670,12 @@
       "integrity": "sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag==",
       "dev": true
     },
+    "node_modules/lodash.merge": {
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
+      "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
+      "dev": true
+    },
     "node_modules/lodash.pull": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/lodash.pull/-/lodash.pull-4.1.0.tgz",
diff --git a/package.json b/package.json
index 870dfb7b3..f12f2d35e 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "@mate-academy/scripts": "^1.2.8",
     "@mate-academy/stylelint-config": "latest",
     "@parcel/transformer-sass": "^2.12.0",
+    "eslint": "^9.15.0",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "parcel": "^1.12.3",
diff --git a/src/styles/blocks/process.scss b/src/styles/blocks/process.scss
index 57bcde81a..8d34a7866 100644
--- a/src/styles/blocks/process.scss
+++ b/src/styles/blocks/process.scss
@@ -22,9 +22,10 @@
     @include page-grid;
 
     grid-column: 1/-1;
-    justify-items: center;
-    align-items: center;
-
+    place-items: center;
+    
+    // justify-items: center;
+    // align-items: center;
     @include on-desktop {
       grid-column: 6 / 13;
     }
@@ -92,7 +93,7 @@
   }
 
   &:last-child {
-    margin-bottom: 0px;
+    margin-bottom: 0;
   }
 
   &:hover {
diff --git a/src/styles/blocks/slider.scss b/src/styles/blocks/slider.scss
index c436581c4..adf6b2af4 100644
--- a/src/styles/blocks/slider.scss
+++ b/src/styles/blocks/slider.scss
@@ -15,7 +15,6 @@
 
   &__title {
     font-weight: 700;
-    color: $text-color;
 
     @include header-style($size: 13px, $lineHeight: 19.5px);
 
diff --git a/src/styles/blocks/testimonials.scss b/src/styles/blocks/testimonials.scss
index fe48d86d0..726f58295 100644
--- a/src/styles/blocks/testimonials.scss
+++ b/src/styles/blocks/testimonials.scss
@@ -29,8 +29,10 @@
     @include page-grid;
 
     grid-column: span 2;
-    justify-items: center;
-    align-items: center;
+    place-items: center;
+    
+    // justify-items: center;
+    // align-items: center;
   }
 }
 
@@ -41,7 +43,7 @@
   height: 456px;
   background-color: $text-color;
   border-radius: 23px;
-  box-shadow: 0px 9px 18px 0px #25293108;
+  box-shadow: 0 9px 18px 0 #25293108;
   padding: 32px 42px;
   margin-bottom: 24px;
 
@@ -55,8 +57,10 @@
   @include on-tablet {
     grid-column: span 6;
     min-width: 100%;
-    justify-items: center;
-    align-items: center;
+    place-items: center;
+
+    // justify-items: center;
+    // align-items: center;
   }
 
   @include on-desktop {
@@ -99,7 +103,7 @@
     margin: 0;
 
     @include header-style($size: 13px, $lineHeight: 19.5px);
-    
+
     font-weight: 700;
     letter-spacing: 3px;
     text-align: center;
diff --git a/src/styles/blocks/welcome.scss b/src/styles/blocks/welcome.scss
index 5f6f46e1e..2002ea65c 100644
--- a/src/styles/blocks/welcome.scss
+++ b/src/styles/blocks/welcome.scss
@@ -18,6 +18,7 @@
 
   &__description {
     @include text-style($fontSize: 22px, $lineHeight: 33px);
+    
     text-align: center;
     color: #6C788B;
     margin: 0;
diff --git a/src/styles/blocks/what-we-do.scss b/src/styles/blocks/what-we-do.scss
index f7231abbe..7ac018abe 100644
--- a/src/styles/blocks/what-we-do.scss
+++ b/src/styles/blocks/what-we-do.scss
@@ -32,20 +32,23 @@
 
 .card {
   grid-column: 1/-1;
-  justify-items: center;
-  align-items: center;
+  place-items: center;
+
+  // justify-items: center;
+  // align-items: center;
   cursor: pointer;
 
   @include on-tablet {
     grid-column: 2 / 6;
-    justify-items: center;
-    align-items: center;
+    place-items: center;
+
+    // justify-items: center;
+    // align-items: center;
   }
 
   @include on-desktop {
     grid-column: span 4;
-    justify-items: center;
-    align-items: center;
+    place-items: center;
   }
 
   &__text-block {
@@ -53,8 +56,7 @@
 
     @include on-tablet {
       grid-column: 2 / 6;
-      justify-items: center;
-      align-items: center;
+      place-items: center;
     }
   }