body {
    font-size: 12px;
}

.index-page {
    background: url(../images/img_bg.png) no-repeat;
    width: 1024px;
    height: 768px;
    background-position: center;
    margin: 0 auto;
    position: relative;
}

.login-space-info {
    position: absolute;
    right: 508px;
    bottom: 115px;
    z-index: 99;
    display: block;
    width: 400px;
    height: 140px;
}

.but {
    width: 400px;
    background-color: #C5221E;
    color: #ffffff;
}

.login-space-info table td {
    padding: 10px;
}
/** iPhone **/
@media only screen and (min-width: 320px) and (max-width:767px) {
    body {
        /*margin: 0 auto;
        padding: 0px;
        font-size: 12px;
        width: 100%;
        height: 100%;*/
        max-height: 736px;
      
    }

    .index-page {
        background: url(../images/img_bg2.png) fixed center center no-repeat;
        background-size: cover;
        width: 100%;
        position: relative;
    }


    .login-space-info {
        position: absolute;
        left: 0px;
        top: 70%;
        z-index: 99;
        display: block;
        width: 100%;
        height: 20%;
    }

    .but {
        width: 100%;
        background-color: #C5221E;
        color: #ffffff;
    }

    .login-space-info table td {
        padding: 10px;
    }
}

/*@media only screen and (min-width: 100px) and (min-width: 319px){
       body {
        margin:0 auto;
        padding:0px;
        font-size: 12px;
     
    }
     .index-page {
        background: url(../images/img_bg2.png) no-repeat;
      
        width: 100%;
        height: 100%;
        margin:0 auto;
    }

       .login-space-info {
        position: absolute;
      
         left:0px;
        bottom: 1%;
        z-index: 99;
        display: block;
        width: 100%;
        height: 20%;
    }
.but {
    width:100%;
    background-color:#C5221E;
    color:#ffffff;

}
.login-space-info table td {
    padding:10px;
}
}*/