    /** * @class Ext.plugin.PullRefresh */ .x-list-pullrefresh-arrow {    background: center center get-image-url('pullarrow.png') no-repeat;    background-size: 2em 3em;    -webkit-transition-property: -webkit-transform;    -webkit-transition-duration: 200ms;    @include rotate(0deg);} .x-android-2 .x-list-pullrefresh-arrow {    -webkit-transition-property: none;    -webkit-transition-duration: 0;} .x-list-pullrefresh-release .x-list-pullrefresh-arrow {    @include rotate(-180deg);} .x-list-pullrefresh-message {    margin-bottom: 0.1em;}