几种和边框相关的CSS样式修改

/*去掉边框线轮廓*/
:focus {
    outline: none !important;
}

/*Chrome默认边框样式*/
:focus {
    outline: -webkit-focus-ring-color auto 5px;
}

/*阴影边框*/
.border-box-shadow {
    border: 1px solid gray;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
    background: white;
    border-radius: 8px;
}