body{background:radial-gradient(200% 100% at bottom center,#0070aa,#0b2570,#000035,#000);background:radial-gradient(220% 105% at top center,#000 10%,#000035 40%,#0b2570 65%,#0070aa);background-attachment:fixed;overflow:hidden}
        @keyframes rotate{0%{transform:perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(0)}100%{transform:perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(-360deg)}}
        #particles-js {position: absolute;width: 100%;height: 100%;}
        .login-box{padding:15px 30px;border:1px solid #aaa;border-radius:5px;background-color:rgba(255,255,255, 0.2);width:260px;position:fixed;left:50%;top:50%;z-index:999;margin:-200px 0 0 -160px;}
        .layui-form-pane .layui-form-label{width:50px;background-color:rgba(255,255,255, 0.5);color:#fff;}
        .layui-form-pane .layui-input-block{margin-left:50px;}
        .login-box .layui-input{font-size:18px;font-weight:400;background-color:rgba(255,255,255, 0.5);color:#fff;display:inline-block;}
        .login-box input[name="password"]{letter-spacing:5px;font-weight:800}
        .login-box input[type="submit"]{letter-spacing:5px;}
        .login-box input[name="captcha"]{width:75px;}
        .captcha{float:right;border-radius:3px;width:120px;height:38px;overflow:hidden;}
        .login-box .layui-btn{width:100%;}
        .login-box .copyright{text-align:center;height:50px;line-height:50px;font-size:12px;color:#aaa}
        .login-box .copyright a{color:#aaa;}
        @media only screen and (min-width:750px){
            .login-box{width:350px;margin:-200px 0 0 -205px!important}
            .login-box input[name="captcha"]{width:165px;}
        
        }