Resolve "header and tagline like componentkit.org"

Closes #22 (closed)

src/css/custom.css

@@ -20,6 +20,7 @@
   --ifm-color-tonic-three: #805D93;
   --ifm-color-primary-dark: #0c0c0cb0;
   --ifm-color-primary-light: #ffffff;
+  --ifm-button-color: var(--ifm-color-primary);
   --ifm-code-font-size: 95%; 
   --ifm-font-family-base: "Comfortaa", cursive;
   --ifm-font-family: "Montserrat",  sans-serif;
@@ -82,16 +83,6 @@ header {
     100% calc(100% - 6vw),0 100%)
 }
 
-header a { 
-  box-shadow: 17px 12px 35px -9px rgba(0,0,0,0.72);
-  -webkit-box-shadow: 17px 12px 35px -9px rgba(0,0,0,0.72);
-  -moz-box-shadow: 17px 12px 35px -9px rgba(0,0,0,0.72);
-} 
-
-header a:hover {
-  transition: all 0.9s ease;
-} 
-
 /************ main elements style***********/
 .sections {
   padding: 4rem 0;