body {
    font-family: "Lato", sans-serif;
}



.main-head {
    height: 150px;
    background: #FFF;
}

.sidenav {
    height: 100%;
    background-color: #356065;
    overflow-x: hidden;
    padding-top: 20px;
}


.main {
    padding: 15px 10px;
}

.logo-login {
    background-image: url(../../Images/img.png);
    width: 30%;
    margin-left: 33%;
    height: 100%;
    z-index: 999;
    background-size: contain;
    position: absolute;
    top: 0;
    padding: 0;
    display: block;
    background-repeat: no-repeat;
}

.login-main-text {
    margin-top: 20%;
    padding: 8%;
    color: #fff;
}

@media screen and (max-height: 450px) {
    .sidenav {
        padding-top: 15px;
    }

    .login-main-text {
        margin-top: 20%;
        padding: 5%;
        color: #fff;
    }

    .logo-login {
        background-image: url(../../Images/img.png);
        width: 30%;
        height: 100%;
        background-size: contain;
        position: absolute;
        top: 0;
        margin-left: 33%;
        z-index: 999;
        padding: 0;
        display: block;
        background-repeat: no-repeat;
    }
}

@media screen and (max-width: 450px) {
    .login-form {
        margin-top: 10%;
        background-color: #ffffff6e;
        padding: 10px;
    }

        .login-form label {
            color: #111;
        }

    .register-form {
        margin-top: 10%;
    }

    .logo-login {
        background-image: url(../../Images/img.png);
        top: 30px;
        width: 30%;
        height: 100%;
        background-size: contain;
        margin-left: 33%;
        position: absolute;
        z-index: 999;
        padding: 0;
        display: block;
        background-repeat: no-repeat;
    }
}

@media screen and (min-width: 768px) {

    .main {
        margin-left: 60%;
    }

    .sidenav {
        width: 60%;
        position: fixed;
        z-index: 1;
        top: 0;
        left: 0;
    }

    .login-form {
        margin-top: 30%;
    }

    .register-form {
        margin-top: 20%;
    }

    .logo-login {
        background-image: url(../../Images/img.png);
        width: 30%;
        background-size: contain;
        height: 80%;
        margin-left: 33%;
        position: absolute;
        z-index: 999;
        padding: 0;
        display: block;
        background-repeat: no-repeat;
        margin-top:10%;
    }
}

.background-login {
    background-image: url(../../Images/logodh.jpg);
    width: 100%;
    height: 100%;
    opacity: 1;
    position: absolute;
    top: 0;
    margin: 0;
    background-size: cover;
    padding: 0;
    display: block;
    background-position: right;
}



.login-main-text h2 {
    font-weight: 300;
}

.btn-black {
    background-color: #356065;
    color: #fff;
}

/*Css tết 2020*/

/*.logo-login {
    display: none;
}

.main {
    height: 100vh;
    background-color: #fbf9b2;
}

.login-form {
    color: #960001;
}

.btn-black {
    background-color: #9c0202;
    color: #f0ed9e;
}

@media screen and (max-height: 450px){
    .background-login {
        background-image: url(https://png.pngtree.com/thumb_back/fw800/background/20190916/pngtree-merry-christmas-happy-chinese-new-year-2020-image_314717.jpg);
        background-position: top;
        opacity: 1;
        background-repeat: no-repeat;
        background-size: contain;
    }
    .sidenav {
        height: 100%;
        background-color: #950101;
        overflow-x: hidden;
        padding-top: 20px;
    }
    .login-main-text {
        visibility: hidden;
    }
}

@media screen and (max-width: 450px){
    .background-login {
        background-image: url(https://png.pngtree.com/thumb_back/fw800/background/20190916/pngtree-merry-christmas-happy-chinese-new-year-2020-image_314717.jpg);
        background-position: top;
        opacity: 1;
        background-repeat: no-repeat;
        background-size: contain;
    }
    .sidenav {
        height: 100%;
        background-color: #950101;
        overflow-x: hidden;
        padding-top: 20px;
    }
    .login-main-text {
        visibility: hidden;
    }
}

@media screen and (min-width: 768px){
    .background-login {
        background-image: url(https://png.pngtree.com/thumb_back/fw800/background/20190916/pngtree-merry-christmas-happy-chinese-new-year-2020-image_314717.jpg);
        background-position: top;
        opacity: 1;
        background-size: unset;
    }

}*/

/*CSS Xa Lánh*/
.btn-black {
    background-color: #7f4040;
    color: #fff;
}

.sidenav {
    height: 100%;
    /*background-color: #62af7a;*/
    overflow-x: hidden;
    padding-top: 20px;
}