#OA {
    width: 100%;
    height: 100vh;
    background-image: url("../Images/web/OA_background.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

#OALogin {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    top: 0;
    bottom: 0;
    width: 409px;
    height: 435px;
    background-image: url("../Images/web/OA_login_background.png");
}

.boxLoginInput {
    position: absolute;
    border: 1px solid #534c45;
    border-radius: 5px;
    height: 38px;
    width: 264px;
    left: 75px;
}

    .boxLoginInput img {
        position: absolute;
        top: 8px;
        left: 10px;
    }

    .boxLoginInput input {
        position: absolute;
        left: 45px;
        height: 34px;
        width: calc(100% - 65px);
        background-color: rgba(0,0,0,0);
        padding: 3px 8px;
        outline: none;
        font-size: 16px;
        color: #fff;
    }

#OAAdmin {
    top: 210px;
}

#OAPassword {
    top: 268px;
}

#aForgetPassword {
    position: absolute;
    top: 329px;
    color: #fff;
    font-size: 14px;
    left: 75px;
}

#imgLoginBtn {
    position: absolute;
    top: 359px;
    left: 0;
    right: 0;
    margin: 0 auto;
    cursor: pointer;
}

::-webkit-input-placeholder { /* WebKit, Blink, Edge */
    color: #fff;
}

:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color: #fff;
    opacity: 1;
}

::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: #fff;
    opacity: 1;
}

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

::-ms-input-placeholder { /* Microsoft Edge */
    color: #fff;
}