Retornada responsividade da grid da home

sigiStatic/css/base_site.css

@@ -257,40 +257,42 @@ div#footer a {
 
 /* ROW FLEX (baseado em http://www.bootply.com/126437)
    Para fazer celulas com a mesma altura em uma linha da grid */
-
-.row-flex, .row-flex > div[class*='col-'] {
-    display: -webkit-box;
-    display: -moz-box;
-    display: -ms-flexbox;
-    display: -webkit-flex;
-    display: flex;
-    flex:1 1 auto;
-}
-
-.row-flex-wrap {
-    -webkit-flex-flow: row wrap;
-    align-content: flex-start;
-    flex:0;
-}
-
-.row-flex > div[class*='col-'], .container-flex > div[class*='col-'] {
-     margin:-.2px; /* hack adjust for wrapping */
-}
-
-.container-flex > div[class*='col-'] div,.row-flex > div[class*='col-'] div {
-    width:100%;
-}
-
-.flex-col {
-    display: flex;
-    display: -webkit-flex;
-    flex: 1 100%;
-    flex-flow: column nowrap;
-}
-
-.flex-grow {
-    display: flex;
-    -webkit-flex: 2;
-    flex: 2;
+@media screen and (min-width: 970px) {
+
+    .row-flex, .row-flex > div[class*='col-'] {
+        display: -webkit-box;
+        display: -moz-box;
+        display: -ms-flexbox;
+        display: -webkit-flex;
+        display: flex;
+        flex:1 1 auto;
+    }
+
+    .row-flex-wrap {
+        -webkit-flex-flow: row wrap;
+        align-content: flex-start;
+        flex:0;
+    }
+
+    .row-flex > div[class*='col-'], .container-flex > div[class*='col-'] {
+         margin:-.2px; /* hack adjust for wrapping */
+    }
+
+    .container-flex > div[class*='col-'] div,.row-flex > div[class*='col-'] div {
+        width:100%;
+    }
+
+    .flex-col {
+        display: flex;
+        display: -webkit-flex;
+        flex: 1 100%;
+        flex-flow: column nowrap;
+    }
+
+    .flex-grow {
+        display: flex;
+        -webkit-flex: 2;
+        flex: 2;
+    }
 }