* {
    color: #333;
    margin: 0;
    padding: 0;
}

input {
    vertical-align: middle;
}

html, body, div, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, object, code, em, span, var, legend, button, input, textarea, th, td, a, img, header, footer, nav, aside, audio, datalist, section {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
}
html,body{
    height: 100%;
}
.login_container {
    height: 100%;
}
/*清除内外边距*/
.login_c {
    background: white;
    /*border:1px solid #ccc;*/
    /*padding:30px 25px;*/
    width: 440px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    /*border-radius:4px;*/
    /*line-height:40px;*/
}

.login_title {
    width: 100%;
    height: 90px;
    font-size: 26px;
    color: #ffffff;
    font-weight: bold;
    line-height: 90px;
    text-align: center;
    background: url("../images/bg_login_blue_normal.png");
}

.login_content {
    width: 100%;
    height: 260px;
    background: #ffffff;
    box-sizing: border-box;
    padding: 20px 95px 0;
}

.login_btn {
    width: 250px;
    height: 36px;
    background: #3D74CF;
    color: #ffffff;
    font-size: 16px;
    line-height: 36px;
    text-align: center;
    font-weight: bold;
    margin-top: 44px;
}

.input-wrap {
    width: 250px;
    height: 60px;
    box-sizing: border-box;
    border-bottom: 1px solid #E6E6E6;
    padding: 33px 0 5px 0;
}

.account_img {
    width: 18px;
    height: 20px;
}

.pass_img {
    width: 17px;
    height: 22px;
    margin-top: -2px;
}

.input-wrap img {
    margin-left: 10px;
}

.input-wrap input {
    box-sizing: border-box;
    width: 180px;
    margin-left: 20px;
    font-size: 14px;
    height: 20px;
    line-height: 20px;
    margin-bottom: -2px;
}

::-webkit-input-placeholder {
    /* WebKit, Blink, Edge */
    color: #CCCCCC;
    font-size: 14px;
}

:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #CCCCCC;
    font-size: 14px;
}

::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #CCCCCC;
    font-size: 14px;
}

:-ms-input-placeholder {
    /* Internet Explorer 10-11 */
    color: #CCCCCC;
    font-size: 14px;
}
@media only screen and (min-device-width : 320px) and (max-device-width : 480px) {
    .login_c{
        width: 100%;
        top: 0;
        -webkit-transform: translate(-50%);
        transform: translate(-50%);
    }
    .login_content{
       padding:0;

    }
    .input-wrap{
        margin:0 auto;
    }
    .login_btn{
        margin:40px  auto 0;
    }

}