css: linear-gradient do not have 'top' but 'to bottom'

- according to https://developer.mozilla.org/en-US/docs/CSS/linear-gradient

rhodecode/public/css/style.css

@@ -250,7 +250,7 b' div:hover > a.permalink {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #003b76), color-stop(100%, #00376e) );
     background-image: -webkit-linear-gradient(top, #003b76, #00376e);
     background-image: -o-linear-gradient(top, #003b76, #00376e);
-    background-image: linear-gradient(top, #003b76, #00376e);
+    background-image: linear-gradient(to bottom, #003b76, #00376e);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#003b76',endColorstr='#00376e', GradientType=0 );
     box-shadow: 0 2px 2px rgba(0, 0, 0, 0.6);
 }
@@ -330,7 +330,7 b' div:hover > a.permalink {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #003b76),color-stop(100%, #00376e) );
     background-image: -webkit-linear-gradient(top, #003b76, #00376e);
     background-image: -o-linear-gradient(top, #003b76, #00376e);
-    background-image: linear-gradient(top, #003b76, #00376e);
+    background-image: linear-gradient(to bottom, #003b76, #00376e);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#003b76',endColorstr='#00376e', GradientType=0 );
     margin: 0;
     padding: 0;
@@ -1111,7 +1111,7 b' tbody .yui-dt-editable { cursor: pointer'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #003b76), color-stop(100%, #00376e) );
     background-image: -webkit-linear-gradient(top, #003b76, #00376e);
     background-image: -o-linear-gradient(top, #003b76, #00376e);
-    background-image: linear-gradient(top, #003b76, #00376e);
+    background-image: linear-gradient(to bottom, #003b76, #00376e);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#003b76', endColorstr='#00376e', GradientType=0 );
     margin: 0 0 20px;
     padding: 0;
@@ -1252,7 +1252,7 b' tbody .yui-dt-editable { cursor: pointer'
     background:-moz-linear-gradient(top,rgba(255,255,255,0),rgba(64,96,128,0.1));
     background:-o-linear-gradient(top,rgba(255,255,255,0),rgba(64,96,128,0.1));
     background:-ms-linear-gradient(top,rgba(255,255,255,0),rgba(64,96,128,0.1));
-    background:linear-gradient(top,rgba(255,255,255,0),rgba(64,96,128,0.1));
+    background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(64,96,128,0.1));
 
     display: none;
 }
@@ -1951,7 +1951,7 b' a.metatag[tag="license"]:hover {'
     background-image : -webkit-gradient( linear, left top, left bottom, color-stop( 0%, #003b76), color-stop( 100%, #00376e));
     background-image : -webkit-linear-gradient( top, #003b76, #00376e));
     background-image : -o-linear-gradient( top, #003b76, #00376e));
-    background-image : linear-gradient( top, #003b76, #00376e);
+    background-image : linear-gradient(to bottom, #003b76, #00376e);
     filter :progid : DXImageTransform.Microsoft.gradient ( startColorstr = '#003b76', endColorstr = '#00376e', GradientType = 0);
     box-shadow: 0 2px 2px rgba(0, 0, 0, 0.6);
     -webkit-border-radius: 4px 4px 4px 4px;
@@ -1986,7 +1986,7 b' a.metatag[tag="license"]:hover {'
     background-image : -webkit-gradient( linear, left top, left bottom, color-stop( 0%, #003b76), color-stop( 100%, #00376e));
     background-image : -webkit-linear-gradient( top, #003b76, #00376e));
     background-image : -o-linear-gradient( top, #003b76, #00376e));
-    background-image : linear-gradient( top, #003b76, #00376e);
+    background-image : linear-gradient(to bottom, #003b76, #00376e);
     filter : progid : DXImageTransform.Microsoft.gradient ( startColorstr = '#003b76', endColorstr = '#00376e', GradientType = 0);
     margin: 0 auto;
     padding: 0;
@@ -2070,7 +2070,7 b' a.metatag[tag="license"]:hover {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #003b76), color-stop(100%, #00376e) );
     background-image: -webkit-linear-gradient(top, #003b76, #00376e);
     background-image: -o-linear-gradient(top, #003b76, #00376e);
-    background-image: linear-gradient(top, #003b76, #00376e);
+    background-image: linear-gradient(to bottom, #003b76, #00376e);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#003b76', endColorstr='#00376e', GradientType=0 );
 
     z-index: 999;
@@ -2226,7 +2226,7 b' a.metatag[tag="license"]:hover {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #003b76), color-stop(100%, #00376e) );
     background-image: -webkit-linear-gradient(top, #003b76, #00376e);
     background-image: -o-linear-gradient(top, #003b76, #00376e);
-    background-image: linear-gradient(top, #003b76, #00376e);
+    background-image: linear-gradient(to bottom, #003b76, #00376e);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#003b76',
         endColorstr='#00376e', GradientType=0 );
     margin: 0 auto;
@@ -3340,7 +3340,7 b' table.code-browser .submodule-dir {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ee5f5b), color-stop(100%, #c43c35) );
     background-image: -webkit-linear-gradient(top, #ee5f5b, #c43c35);
     background-image: -o-linear-gradient(top, #ee5f5b, #c43c35);
-    background-image: linear-gradient(top, #ee5f5b, #c43c35);
+    background-image: linear-gradient(to bottom, #ee5f5b, #c43c35);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b',endColorstr='#c43c35', GradientType=0 );
     border-color: #c43c35 #c43c35 #882a25;
 }
@@ -3355,7 +3355,7 b' table.code-browser .submodule-dir {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #fceec1), color-stop(100%, #eedc94) );
     background-image: -webkit-linear-gradient(top, #fceec1, #eedc94);
     background-image: -o-linear-gradient(top, #fceec1, #eedc94);
-    background-image: linear-gradient(top, #fceec1, #eedc94);
+    background-image: linear-gradient(to bottom, #fceec1, #eedc94);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fceec1', endColorstr='#eedc94', GradientType=0 );
     border-color: #eedc94 #eedc94 #e4c652;
 }
@@ -3369,7 +3369,7 b' table.code-browser .submodule-dir {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #62c462), color-stop(100%, #57a957) );
     background-image: -webkit-linear-gradient(top, #62c462, #57a957);
     background-image: -o-linear-gradient(top, #62c462, #57a957);
-    background-image: linear-gradient(top, #62c462, #57a957);
+    background-image: linear-gradient(to bottom, #62c462, #57a957);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#57a957', GradientType=0 );
     border-color: #57a957 #57a957 #3d773d;
 }
@@ -3383,7 +3383,7 b' table.code-browser .submodule-dir {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #5bc0de), color-stop(100%, #339bb9) );
     background-image: -webkit-linear-gradient(top, #5bc0de, #339bb9);
     background-image: -o-linear-gradient(top, #5bc0de, #339bb9);
-    background-image: linear-gradient(top, #5bc0de, #339bb9);
+    background-image: linear-gradient(to bottom, #5bc0de, #339bb9);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#339bb9', GradientType=0 );
     border-color: #339bb9 #339bb9 #22697d;
 }
@@ -3494,7 +3494,7 b' div.gravatar img {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #F4F4F4),color-stop(100%, #DADADA) );
     background-image: -webkit-linear-gradient(top, #F4F4F4, #DADADA) );
     background-image: -o-linear-gradient(top, #F4F4F4, #DADADA) );
-    background-image: linear-gradient(top, #F4F4F4, #DADADA);
+    background-image: linear-gradient(to bottom, #F4F4F4, #DADADA);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#F4F4F4', endColorstr='#DADADA', GradientType=0);
 
     border-top: 1px solid #DDD;
@@ -3564,7 +3564,7 b' div.gravatar img {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ee5f5b), color-stop(100%, #c43c35));
     background-image: -webkit-linear-gradient(top, #ee5f5b, #c43c35);
     background-image: -o-linear-gradient(top, #ee5f5b, #c43c35);
-    background-image: linear-gradient(top, #ee5f5b, #c43c35);
+    background-image: linear-gradient(to bottom, #ee5f5b, #c43c35);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#c43c35', GradientType=0);
     border-color: #c43c35 #c43c35 #882a25;
     border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
@@ -3581,7 +3581,7 b' div.gravatar img {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #5bc0de), color-stop(100%, #339bb9));
     background-image: -webkit-linear-gradient(top, #5bc0de, #339bb9);
     background-image: -o-linear-gradient(top, #5bc0de, #339bb9);
-    background-image: linear-gradient(top, #5bc0de, #339bb9);
+    background-image: linear-gradient(to bottom, #5bc0de, #339bb9);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#339bb9', GradientType=0);
     border-color: #339bb9 #339bb9 #22697d;
     border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
@@ -3596,7 +3596,7 b' div.gravatar img {'
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #62c462), color-stop(100%, #57a957));
     background-image: -webkit-linear-gradient(top, #62c462, #57a957);
     background-image: -o-linear-gradient(top, #62c462, #57a957);
-    background-image: linear-gradient(top, #62c462, #57a957);
+    background-image: linear-gradient(to bottom, #62c462, #57a957);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#57a957', GradientType=0);
     border-color: #57a957 #57a957 #3d773d;
     border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);