HTML图片做按钮，去边框

<input type="button" @click="btn1" class="btn1" title="单屏" />

设置图片作为按钮背景，去掉边框

.btn1 {
    
    
    border: none;//设置无边框
    width: 32px;
    height: 32px;
    background: url("../../assets/divide_images/one.png") no-repeat center center / 100% 100%;
}