.sample-tutorial {
    position: relative;
    height: 100%;
    overflow: hidden;
}
body {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.sjs-tab-strip-bottom-tab {
    border-radius: 4px;
}

.sjs-tab-strip-left-tab {
    border-radius: 4px;
}

.sjs-tab-strip-top-tab {
    border-radius: 4px;
}

.sjs-tab-strip-right-tab {
    border-radius: 4px;
}