html{margin: 0px; padding: 0px;}
body{margin: 6px; padding: 0px;}
.layui-tab-item{padding: 0px 10px;}
.text_align_center{text-align: center;}
.layui-textarea{/*height: 500px;*/}
.readme_h4{font-size: 16px;color: #666;font-weight: bold;padding: 4px;line-height: 2;}
.readme_p{font-size: 16px;color: #666;padding: 4px;line-height: 2;}

.layui-nav {
    border-radius: 28px;
}
.layui-nav .layui-nav-item {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    line-height: 50px;
}
.layui-btn {margin: 4px;}