Browser: Update UI with new components and elements (#5671)

browser/app/less/inc/ie-warning.less

@@ -1,81 +0,0 @@
-.ie-warning {
-  background-color: #ff5252;
-  width: 100%;
-  height: 100%;
-  position: fixed;
-  left: 0;
-  top: 0;
-  text-align: center;
-
-  &:before {
-    width: 1px;
-    content: '';
-    height: 100%;
-  }
-
-  &:before,
-  .iw-inner {
-    display: inline-block;
-    vertical-align: middle;
-  }
-}
-
-.iw-inner {
-  width: 470px;
-  height: 300px;
-  background-color: @white;
-  border-radius: 5px;
-  padding: 40px;
-  position: relative;
-
-  ul {
-    list-style: none;
-    padding: 0;
-    margin: 0;
-    width: 230px;
-    margin-left: 80px;
-    margin-top: 16px;
-
-    & > li {
-      float: left;
-
-      & > a {
-        display: block;
-        padding: 10px 15px 7px;
-        font-size: 14px;
-        margin: 0 1px;
-        border-radius: 3px;
-
-        &:hover {
-          background: #eee;
-        }
-
-        img {
-          height: 40px;
-          margin-bottom: 5px;
-        }
-      }
-    }
-  }
-}
-
-.iwi-icon {
-  color: #ff5252;
-  font-size: 40px;
-  display: block;
-  line-height: 100%;
-  margin-bottom: 15px;
-}
-
-.iwi-skip {
-  position: absolute;
-  left: 0;
-  bottom: -35px;
-  width: 100%;
-  color: rgba(255, 255, 255, 0.6);
-  cursor: pointer;
-  
-  &:hover {
-    color: @white;
-  }
-}