diff --git a/tasks/1.html b/tasks/1.html
index 62be4d7..90e6dd0 100755
--- a/tasks/1.html
+++ b/tasks/1.html
@@ -13,7 +13,21 @@ <h1 class="global-heading">&nbsp;</h1>
         <main class="global-results">
             <section class="global-result">
                 <style>
-                    /* ваш код здесь... */
+                    div:first-child {
+                        background-color: #6698ff;
+                    }
+                    
+                    .c1 {
+                        background-color: #ff6698;
+                    }
+
+                    #id {
+                        background-color: #98ff66;
+                    }
+
+                    aside {
+                        background-color: #6698ff;
+                    }
                 </style>
 
                 <article class="global-scope">
diff --git a/tasks/10.html b/tasks/10.html
index d4510fa..a29fa93 100755
--- a/tasks/10.html
+++ b/tasks/10.html
@@ -12,7 +12,13 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .title:first-letter {
+                    color: #ff6698;
+                }
+
+                .description:first-line {
+                    color: #6698ff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/11.html b/tasks/11.html
index 7cbdc68..911adb3 100755
--- a/tasks/11.html
+++ b/tasks/11.html
@@ -12,7 +12,17 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                input[value="invalid-email"] {
+                    border: 3px solid #ff6698;
+                }
+
+                input[value="email@yandex.ru"] {
+                    border: 3px solid #98ff66;
+                }
+
+                input:focus {
+                    border: 3px solid #6698ff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/12.html b/tasks/12.html
index df47ce3..ff61805 100755
--- a/tasks/12.html
+++ b/tasks/12.html
@@ -12,7 +12,16 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div {
+                    background-color: #ffff66;
+                }
+
+                div:first-child,
+                div:nth-child(3),
+                div:nth-child(7),
+                div:nth-child(9) {
+                    background-color: #ffb366;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/13.html b/tasks/13.html
index d9e3f6e..9640c8e 100755
--- a/tasks/13.html
+++ b/tasks/13.html
@@ -12,7 +12,17 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div:first-child div {
+                    background-color: #ff6698;
+                }
+
+                div:nth-child(5) div:first-child {
+                    background-color: #ff6698;
+                }
+
+                div:nth-child(9) div:first-child {
+                    background-color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/14.html b/tasks/14.html
index 980a2a5..052a2e4 100755
--- a/tasks/14.html
+++ b/tasks/14.html
@@ -12,7 +12,9 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                li:before {
+                    content: '+ ';
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/15.html b/tasks/15.html
index 705eeee..2269a86 100755
--- a/tasks/15.html
+++ b/tasks/15.html
@@ -12,7 +12,9 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                a[href$=".zip"]:after {
+                  content: ' \2193';
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/16.html b/tasks/16.html
index eb614cc..443f29f 100755
--- a/tasks/16.html
+++ b/tasks/16.html
@@ -12,7 +12,21 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div:first-child {
+                    background-color: #ff6698;
+                }
+
+                div.c1 {
+                    background-color: #6698ff;
+                }
+
+                #id1 {
+                    background-color: #ffb366;
+                }
+
+                div.c7 {
+                    background-color: #ffff66 !important;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/17.html b/tasks/17.html
index c973a48..7ba7882 100755
--- a/tasks/17.html
+++ b/tasks/17.html
@@ -12,7 +12,14 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                /*Не совсем понял задание. Опять таки - активные чекбоксы нужно изнутри стилизовать?*/
+                input[type="checkbox"] {
+                    outline: 1px solid #ff6698;
+                }
+
+                input[type="checkbox"]:checked {
+                    outline: none;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/18.html b/tasks/18.html
index 2634da4..53409b4 100755
--- a/tasks/18.html
+++ b/tasks/18.html
@@ -12,7 +12,13 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div {
+                    opacity: 0.5;
+                }
+
+                div:hover {
+                    opacity: 1;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/19.html b/tasks/19.html
index 3af53a6..9a31ed8 100755
--- a/tasks/19.html
+++ b/tasks/19.html
@@ -12,7 +12,29 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div {
+                    background-color: #ffb366;
+                }
+
+                div div {
+                    background-color: #fff;
+                }
+
+                div:first-child div:last-child {
+                    background-color: #98ff66;
+                }
+
+                div:nth-child(2) div:nth-child(2n) {
+                    background-color:#ff6698;
+                }
+
+                div:nth-child(3) div:nth-child(2n-1) {
+                    background-color: #6698ff;
+                }
+
+                div:last-child div:first-child {
+                    background-color: #ffff66;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/2.html b/tasks/2.html
index 27ecc28..e8ef942 100755
--- a/tasks/2.html
+++ b/tasks/2.html
@@ -12,7 +12,18 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .c1 {
+                    border: 2px solid #000;
+                    background-color: #ff6698;
+                }
+
+                .c1:first-child {
+                    background-color: #6698ff;
+                }
+
+                .c2 {
+                    background-color: #ffb366;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/20.html b/tasks/20.html
index 07a5869..541998d 100755
--- a/tasks/20.html
+++ b/tasks/20.html
@@ -12,7 +12,9 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .red-gt2:not(:first-child):not(:nth-child(2)) div {
+                    background-color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/3.html b/tasks/3.html
index c652179..111e1a6 100755
--- a/tasks/3.html
+++ b/tasks/3.html
@@ -12,7 +12,13 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .global-scope > div {
+                    border: 2px solid #000;
+                }
+
+                div div {
+                    background-color: #6698ff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/4.html b/tasks/4.html
index b367da7..dacd06e 100755
--- a/tasks/4.html
+++ b/tasks/4.html
@@ -12,7 +12,9 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .global-scope article:not(:first-of-type) {
+                    border-top: 1px solid #000;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/5.html b/tasks/5.html
index 98f61c4..3e605f4 100755
--- a/tasks/5.html
+++ b/tasks/5.html
@@ -12,7 +12,11 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                /*Чекбокс по заданию тоже нужно перекрашивать в синий?*/
+                .tab {
+                    background-color: #000;
+                    color: #fff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/6.html b/tasks/6.html
index 059db07..fa3f749 100755
--- a/tasks/6.html
+++ b/tasks/6.html
@@ -12,7 +12,14 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                a[href="https://vk.ru"] {
+                   color: #6698ff; 
+                }
+
+                a[href="https://yandex.ru"],
+                a[href="https://market.yandex.ru/"] {
+                    color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/7.html b/tasks/7.html
index c3e1e50..2214d65 100755
--- a/tasks/7.html
+++ b/tasks/7.html
@@ -12,7 +12,10 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                div:nth-child(2) img,
+                div:nth-child(3) img {
+                    opacity: 0.2;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/8.html b/tasks/8.html
index cd21aa6..c52734b 100755
--- a/tasks/8.html
+++ b/tasks/8.html
@@ -12,7 +12,11 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                li:nth-child(2) a,
+                li:nth-child(5) a,
+                li:nth-child(6) a {
+                    color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/9.html b/tasks/9.html
index 30ac7f8..ca7d8f6 100755
--- a/tasks/9.html
+++ b/tasks/9.html
@@ -12,7 +12,26 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* ваш код здесь... */
+                .link:first-child {
+                    color: #6698ff;
+                }
+
+                .link:first-child:hover {
+                    color: #ff6698;
+                }
+
+                .link:first-child:active {
+                    color: #98ff66;
+                }
+
+
+                .link:first-child:visited {
+                    color: #ffb366;
+                }
+
+                .link + .link:hover {
+                    opacity: 0.5;
+                }
             </style>
 
             <section class="global-result">