rf3main/web/resources/plugins/layer/theme/style.css

.layui-layer-title {
    height: 52px;
    line-height: 52px;
    background-color: #ffffff;
}

.layui-layer-btn .layui-layer-btn0{
    color: #fff;
    background-color: #2d8cf0;
    border-color: #2d8cf0;
}

.layui-layer-btn a {
    height: 28px;
    margin: 5px 5px 0;
    padding: 15px 12px;
    line-height: 0;
    border: 1px solid #dedede;
    border-radius: 3px;
    font-weight: 400;
    cursor: pointer;
    text-decoration: none;
}

.layui-layer-btn a{
    color: #76838f;
}


.layui-layer-setwin {
    top: 20px;
}