html {margin: 0; padding: 0; height: 100%; }
body{background: url(../img/login/background.jpg) no-repeat fixed 50% 50%;}
.login_bg{background:url(../img/login/login_bg.png) no-repeat center center;margin-top:-186px;width:100%;height: 375px;position: absolute;left:0;top:50%;}
.login_smallbox{
    color: #110c66;
    font-size: 30px;
    margin-right: -590px;
    margin-top: -48px;
    position: absolute;
    right: 50%;
    top: 50%;}
.login_box{background:url(../img/login/background_login.png) no-repeat;height: 370px;
    left: 50%;
    margin-left: -180px;
    margin-top: -210px;
    position: absolute;
    top: 50%;
    width: 542px;}
#loginForm{width: 542px;height:370px;padding:64px 100px 100px 210px;}
.input_txt{width: 276px;height: 50px;}
.mt{margin-bottom: 10px;background-image: url("../img/login/user.png");
    background-position: 12px center;
    background-repeat: no-repeat;}
 .pwd{background-image: url("../img/login/lock_open.png");
    background-position: 17px center;
    background-repeat: no-repeat;}
.btn-sign{width:276px;background-color:#00BFFF;color:#fff;font-size: 20px; color: #fff;margin-top: 5px;}
#loginForm input{padding-left:50px;}
.input_yan{width:145px;height: 50px;}
.yanzhen{display: block;
    height: 57px;
    margin-left: 148px;
    margin-top: -55px;
    width: 133px;}
#loginForm .input_yan{padding-left:45px;}
.small_checkbox{margin-top: 10px;}
#loginForm .btn-sign:hover{color:#fff;box-shadow: none;}


/*1440屏幕样式*/
@media screen and (max-width:1440px){

.login_bg {
    background-size:125%;
    
}
.login_smallbox {
    color: #110C66;
    font-size: 26px;
    margin-right: -556px;
    margin-top: -48px;
    position: absolute;
    right: 50%;
    top: 50%;
}

}

/*1280屏幕样式*/
@media screen and (max-width:1280px){

.login_bg {
    background-size:130%;
    
}
.login_smallbox {
    font-size: 20px;
    margin-right: -510px;
    margin-top: -42px;
    
}

.checkbox input[type="checkbox"], .checkbox-inline input[type="checkbox"]{
    margin-left:0px;
    position: absolute;
    margin-left:-50px\9;
}


}

/*1024屏幕样式*/
@media screen and (max-width:1024px){
.login_box {
    background: rgba(0, 0, 0, 0) url("../img/login/background_login.png") no-repeat scroll 0 0 / 100% 100%;
    height: 370px;
    left: 50%;
    margin-left: -138px;
    margin-top: -210px;
    position: absolute;
    top: 50%;
    width: 484px;
}
#loginForm {
    padding: 64px 100px 100px 184px;
    width: 100%;
}

.input_txt {
    height: 50px;
    width: 250px;
}
.btn-sign {
    width: 250px;
}

.login_smallbox{display:none;}
.input_yan {
    height: 50px;
    width: 125px;
}
.yanzhen {
    display: block;
    height: 57px;
    margin-left: 127px;
    margin-top: -55px;
    width: 133px;
}
}

.checkbox input[type="checkbox"], .checkbox-inline input[type="checkbox"]{
    margin-left:0px;
    position: absolute;
    margin-left:-50px\9;
}