diff --git a/tasks/1.html b/tasks/1.html
index bebada61..77b50df1 100644
--- a/tasks/1.html
+++ b/tasks/1.html
@@ -12,7 +12,21 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                .c1
+                {
+                    background-color: #ff6698;
+                }
+
+                #id
+                {
+                    background-color: #98ff66;
+                }
+
+                div,
+                aside
+                {
+                    background-color: #6698ff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/10.html b/tasks/10.html
index bc7fb50d..e1013119 100644
--- a/tasks/10.html
+++ b/tasks/10.html
@@ -12,7 +12,15 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+               .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 3e34ed5f..63492ee2 100644
--- a/tasks/11.html
+++ b/tasks/11.html
@@ -12,7 +12,21 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                input:first-child
+                {
+                    border: 3px solid #ff6698;
+                }
+
+                input
+                {
+                    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 a6a95498..68fc83ef 100644
--- a/tasks/12.html
+++ b/tasks/12.html
@@ -12,7 +12,26 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                div
+                {
+                    background-color: #ff6;
+                }
+
+                div:nth-child(4n-1)
+                {
+                    background-color: #ffb366;
+                }
+
+                div:last-child
+                {
+                    background-color: #ffb366;
+                }
+
+                div:first-child 
+                {
+                    background-color: #ffb366;
+                }
+
             </style>
 
             <section class="global-result">
diff --git a/tasks/13.html b/tasks/13.html
index c86c9595..64ae9e70 100644
--- a/tasks/13.html
+++ b/tasks/13.html
@@ -12,7 +12,10 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                div:nth-child(4n + 1) > div:first-child
+                {
+                    background-color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/14.html b/tasks/14.html
index 50880fd9..b18e413a 100644
--- a/tasks/14.html
+++ b/tasks/14.html
@@ -12,7 +12,17 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                article
+                {
+                    margin-left: 15px;
+                }
+
+                ul
+                {
+                    list-style-type: square !important;
+                    /*вместо плюсиков, хотя можно использовать list-style-image
+                    и дать свою картинку, ну ты понял..*/
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/15.html b/tasks/15.html
index 4e36c5d8..00164bf3 100644
--- a/tasks/15.html
+++ b/tasks/15.html
@@ -12,7 +12,16 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                [href*='.zip.']
+                {
+                    background-color: #fff !important;
+                }
+
+                [href*='.zip']
+                {
+                    /*чем мне их выделять?*/
+                    background-color: #cacaca;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/16.html b/tasks/16.html
index f26e1993..40d9d07d 100644
--- a/tasks/16.html
+++ b/tasks/16.html
@@ -12,7 +12,25 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                div
+                {
+                    background-color: #ff6698 !important;
+                }
+                
+                .c1
+                {
+                    background-color: #6698ff !important;
+                }
+
+                #id1
+                {
+                    background-color: #ffb366 !important;
+                }
+
+                .c7
+                {
+                    background-color: #ff6 !important;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/17.html b/tasks/17.html
index 83e0910b..cefe6082 100644
--- a/tasks/17.html
+++ b/tasks/17.html
@@ -12,7 +12,15 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                input:checked
+                {
+                    outline: none !important;
+                }
+
+                input:checked ~ input
+                {
+                    outline: 1px solid #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/18.html b/tasks/18.html
index 2c7df3cf..d01a2f89 100644
--- a/tasks/18.html
+++ b/tasks/18.html
@@ -12,7 +12,15 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                .global-scope > div
+                {
+                    opacity: .3;
+                }
+
+                .global-scope > div:hover
+                {
+                    opacity: 1 !important;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/19.html b/tasks/19.html
index bf72b5b2..44131412 100644
--- a/tasks/19.html
+++ b/tasks/19.html
@@ -12,7 +12,35 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                .global-scope > div
+                {
+                    background-color: #ffb366;
+                }
+
+                .global-scope > div > div
+                {
+                    background-color: #fff;
+                }
+
+                .global-scope > div:first-child > div:last-child
+                {
+                    background-color: #98ff66;
+                }
+
+                .global-scope > div:last-child > div:first-child
+                {
+                    background-color: #ff6;
+                }
+                
+                .global-scope > div:nth-child(3) > div:nth-child(2n-1)
+                {
+                    background-color: #6698ff;
+                }
+
+                .global-scope > div:nth-child(2) > div:nth-child(2n)
+                {
+                    background-color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/2.html b/tasks/2.html
index 64de7fc5..5f0e2ec9 100644
--- a/tasks/2.html
+++ b/tasks/2.html
@@ -12,7 +12,22 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                div.c1.c2
+                {
+                    background-color: #6698ff;
+                    border: 2px solid #000;
+                }
+
+                .c1
+                {
+                    background-color: #ff6698;
+                    border: 2px solid #000;
+                }
+
+                .c2
+                {
+                    background-color: #ffb366;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/3.html b/tasks/3.html
index 8b58ac9e..781ce20a 100644
--- a/tasks/3.html
+++ b/tasks/3.html
@@ -12,7 +12,16 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                div
+                {
+                    border: 2px solid #000;
+                }
+
+                article.global-scope.global-scope_3 > div > div
+                {
+                    background-color: #6698ff;
+                    border: none;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/4.html b/tasks/4.html
index 5745abad..22113c85 100644
--- a/tasks/4.html
+++ b/tasks/4.html
@@ -12,7 +12,20 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                article:not(:first-child) + article
+                {
+                    border-top: 1px solid #000;
+                }
+
+                article > article
+                {
+                    background-color: #ff6;
+                }
+
+                article:nth-child(2n) + article
+                {
+                    background-color: #fff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/5.html b/tasks/5.html
index cf16c456..4e6f4c6d 100644
--- a/tasks/5.html
+++ b/tasks/5.html
@@ -12,7 +12,11 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                input#checkbox:checked ~ div
+                {
+                    background-color: black;
+                    color: #fff;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/6.html b/tasks/6.html
index 0299b5bf..d48bce81 100644
--- a/tasks/6.html
+++ b/tasks/6.html
@@ -12,7 +12,15 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                .global-scope > a:first-child
+                {
+                    color: #6698ff;
+                }
+
+                .global-scope > a:not(:first-child)
+                {
+                    color: #ff6698;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/7.html b/tasks/7.html
index b5ea672e..c2b3bd2d 100644
--- a/tasks/7.html
+++ b/tasks/7.html
@@ -12,7 +12,20 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                article > div
+                {
+                    opacity: .3;
+                }
+
+                article > div:first-child
+                {
+                    opacity: 1;
+                }
+
+                article > div:last-child
+                {
+                    opacity: 1;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/8.html b/tasks/8.html
index abca880c..21a6687f 100644
--- a/tasks/8.html
+++ b/tasks/8.html
@@ -12,7 +12,15 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                [href*='//']
+                {
+                    color: #ff6698;
+                }
+
+                [href*='my-site.ru']
+                {
+                    color: blue;
+                }
             </style>
 
             <section class="global-result">
diff --git a/tasks/9.html b/tasks/9.html
index 326d5b39..1ec5b5cd 100644
--- a/tasks/9.html
+++ b/tasks/9.html
@@ -12,7 +12,25 @@ <h1 class="global-heading">&nbsp;</h1>
 
         <main class="global-results">
             <style>
-                /* your styles here */
+                [href]:visited
+                {
+                    color: #ffb366 !important;
+                }
+
+                [href]:focus
+                {
+                    color: #98ff66 !important;
+                }
+
+                [href]:hover
+                {
+                    color: #ff6698 !important;
+                }
+
+                .link:hover
+                {
+                    color: #cacaca;
+                }
             </style>
 
             <section class="global-result">