如何删除AngularDart材质组件的“材质”选项卡中的边距

我想删除 “材质”选项卡“组件” 属于 棱角镖材质组件 . 我该怎么做?

tab\u组件。html

<material-tab-panel centerStrip class="tab-panel visible-desktop" [activeTabIndex]="1">
    <material-tab label="Home">
        Eager Content of Tab 1
    </material-tab>
    <material-tab label="Tab 1">
        <div class="tab-background">

        </div>
    </material-tab>
    <material-tab label="Tab 2">
        Eager Content of Tab 3
    </material-tab>
    <material-tab label="Tab 3">
        Eager Content of Tab 3
    </material-tab>
</material-tab-panel>

tab\u组件。scss公司

@import 'package:angular_components/tree/master/lib/css/material/material';
@import 'package:angular_components/tree/master/lib/material_tab/mixins';

@include tab-panel-accent-color('.tab-panel', $mat-red);
@include tab-panel-tab-strip-width('material-tab-panel[centerStrip]', 400px);

tab\u组件。css

material-tab-panel {
    width: 400px;
}

material-tab {
    width: 100vw;
}

.tab-background {
    height: 100vh;
    width: 100vw;
    background-color: aqua;
}