后端PHP/public/static/admin/css/login.css

.demo {
    padding-top: 20px;
    text-align: center;
    color: #9abcda!important;
    font-size: 14px;
}

.main-body {
    top: 50%;
    left: 50%;
    position: absolute;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    overflow: hidden;
}

.login-main .login-bottom .center .item input {
    display: inline-block;
    width: 227px;
    height: 22px;
    padding: 0;
    position: absolute;
    border: 0;
    outline: 0;
    font-size: 14px;
    letter-spacing: 0;
}

.login-main .login-bottom .center .item .icon-1 {
    background: url(../images/icon-login.png) no-repeat 1px 0;
}

.login-main .login-bottom .center .item .icon-2 {
    background: url(../images/icon-login.png) no-repeat -54px 0;
}

.login-main .login-bottom .center .item .icon-3 {
    background: url(../images/icon-login.png) no-repeat -106px 0;
}

.login-main .login-bottom .center .item .icon-4 {
    background: url(../images/icon-login.png) no-repeat 0 -43px;
    position: absolute;
    right: -10px;
    cursor: pointer;
}

.login-main .login-bottom .center .item .icon-5 {
    background: url(../images/icon-login.png) no-repeat -55px -43px;
}

.login-main .login-bottom .center .item .icon-6 {
    background: url(../images/icon-login.png) no-repeat 0 -93px;
    position: absolute;
    right: -10px;
    margin-top: 8px;
    cursor: pointer;
}


.login-main .login-bottom .tip .icon-nocheck {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    border: solid 1px #9abcda;
    position: relative;
    top: 2px;
    margin: 1px 8px 1px 1px;
    cursor: pointer;
}

.login-main .login-bottom .tip .icon-check {
    margin: 0 7px 0 0;
    width: 14px;
    height: 14px;
    border: none;
    background: url(../images/icon-login.png) no-repeat -111px -48px;
}

.login-main .login-bottom .center .item .icon {
    display: inline-block;
    width: 33px;
    height: 22px;
}

.login-main .login-bottom .center .item {
    width: 288px;
    height: 35px;
    border-bottom: 1px solid #dae1e6;
    margin-bottom: 35px;
}

.login-main {
    width: 428px;
    position: relative;
    float: left;
}

.login-main .login-top {
    height: 117px;
    background-color: #148be4;
    border-radius: 12px 12px 0 0;
    font-family: SourceHanSansCN-Regular;
    font-size: 30px;
    font-weight: 400;
    font-stretch: normal;
    letter-spacing: 0;
    color: #fff;
    line-height: 117px;
    text-align: center;
    overflow: hidden;
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
    transform: rotate(0);
}

.login-main .login-top .bg1 {
    display: inline-block;
    width: 74px;
    height: 74px;
    background: #fff;
    opacity: .1;
    border-radius: 0 74px 0 0;
    position: absolute;
    left: 0;
    top: 43px;
}


.login-main .login-top .bg2 {
    display: inline-block;
    width: 94px;
    height: 94px;
    background: #fff;
    opacity: .1;
    border-radius: 50%;
    position: absolute;
    right: -16px;
    top: -16px;
}

.login-main .login-bottom {
    width: 428px;
    background: #fff;
    border-radius: 0 0 12px 12px;
    padding-bottom: 53px;
}

.login-main .login-bottom .center {
    width: 288px;
    margin: 0 auto;
    padding-top: 40px;
    padding-bottom: 15px;
    position: relative;
}

.login-main .login-bottom .tip {
    clear: both;
    height: 16px;
    line-height: 16px;
    width: 288px;
    margin: 0 auto;
}


body {
    background: url(../images/loginbg.png) 0% 0% / cover no-repeat;
    position: static;
    font-size: 12px;
}

input::-webkit-input-placeholder {
    color: #a6aebf;
}

input::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: #a6aebf;
}

input:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color: #a6aebf;
}

input:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #a6aebf;
}

input:-webkit-autofill { /* 取消Chrome记住密码的背景颜色 */
    -webkit-box-shadow: 0 0 0 1000px white inset !important;
}

html {
    height: 100%;
}

.login-main .login-bottom .tip {
    clear: both;
    height: 16px;
    line-height: 16px;
    width: 288px;
    margin: 0 auto;
}

.login-main .login-bottom .tip .login-tip {
    font-family: MicrosoftYaHei;
    font-size: 12px;
    font-weight: 400;
    font-stretch: normal;
    letter-spacing: 0;
    color: #9abcda;
    cursor: pointer;
}

.login-main .login-bottom .tip .forget-password {
    font-stretch: normal;
    letter-spacing: 0;
    color: #1391ff;
    text-decoration: none;
    position: absolute;
    right: 62px;
}

.login-main .login-bottom .login-btn {
    width: 288px;
    height: 40px;
    background-color: #1E9FFF;
    border-radius: 16px;
    margin: 24px auto 0;
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-size: 14px;
    letter-spacing: 0;
    cursor: pointer;
    border: none;
}

.login-main .login-bottom .center .item .validateImg {
    position: absolute;
    right: 1px;
    cursor: pointer;
    height: 36px;
    border: 1px solid #e6e6e6;
}

.footer {
    left: 0;
    bottom: 0;
    color: #fff;
    width: 100%;
    position: absolute;
    text-align: center;
    line-height: 30px;
    padding-bottom: 10px;
    text-shadow: #000 0.1em 0.1em 0.1em;
    font-size: 14px;
}

.padding-5 {
    padding: 5px !important;
}

.footer a, .footer span {
    color: #fff;
}



@media screen and (max-width: 428px) {
    .login-main {
        width: 360px !important;
    }

    .login-main .login-top {
        width: 360px !important;
    }

    .login-main .login-bottom {
        width: 360px !important;
    }
}