<polymer-element name="tour-step" extends="core-overlay">
    <template>
        <style>
            :host {
                color:#fff;
                background-repeat:no-repeat;
            }

            :host(.top-right) {
                padding-right:90px;
                background-position: top right;
                right:0;
                top:0;
            }

            :host(.top-left) {
                padding-left:90px;
                background-position: top left;
                left:0;