body {
    font-family: Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh !important;
    background: url(trong-dong-bg.png) no-repeat center center fixed !important;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
}

.login-page {
    width: 360px;
    padding: 6% 0 0;
    margin: auto;
}

    .login-page code > a {
        color: #aa100a;
        font-weight: bold;
    }

.ms-core-overlay {
    background-color: rgb(255 247 222 / 0%) !important;
}

#s4-workspace {
    width: 100% !important;
    height: 100% !important;
    position: absolute !important;
}

.form {
    position: relative;
    z-index: 1;
    background: #FFFFFF;
    max-width: 360px;
    margin: 0 auto;
    padding: 45px;
    text-align: center;
}

    .form input,
    .form a.btn-login {
        font-family: "Roboto", sans-serif;
        outline: 0;
        background: #f2f2f2;
        width: 100%;
        border: 0;
        margin: 0 0 15px;
        padding: 15px;
        box-sizing: border-box;
        font-size: 14px;
    }

    .form button {
        font-family: "Roboto", sans-serif;
        outline: 0;
        background: #4CAF50;
        width: 100%;
        border: 0;
        padding: 15px;
        color: #FFFFFF;
        font-size: 14px;
        -webkit-transition: all 0.3 ease;
        transition: all 0.3 ease;
        cursor: pointer;
    }

        .form button:hover, .form button:active, .form button:focus {
            background: #43A047;
        }

    .form .message {
        margin: 15px 0 0;
        color: #b3b3b3;
        font-size: 12px;
    }

        .form .message a {
            color: #4CAF50;
            text-decoration: none;
        }

    .form .register-form {
        display: none;
    }

.container {
    position: relative;
    z-index: 1;
    max-width: 300px;
    margin: 0 auto;
}

    .container:before, .container:after {
        content: "";
        display: block;
        clear: both;
    }

    .container .info {
        margin: 50px auto;
        text-align: center;
    }

        .container .info h1 {
            margin: 0 0 15px;
            padding: 0;
            font-size: 36px;
            font-weight: 300;
            color: #1a1a1a;
        }

        .container .info span {
            color: #4d4d4d;
            font-size: 12px;
        }

            .container .info span a {
                color: #000000;
                text-decoration: none;
            }

            .container .info span .fa {
                color: #EF3B3A;
            }


#contentBox {
    min-width: auto !important;
    width: 100% !important;
    margin: 0 !important;
}

.login-page .form .message input {
    display: inline-block !important;
    width: auto !important;
    margin: 0 !important;
    margin-right: 5px !important;
}

.login-page .form .btn-login {
    background: #da251e !important;
    color: #fff !important;
    text-transform: uppercase !important;
    font-weight: bold !important;
    font-family: Arial,sans-serif !important;
    line-height: 1.4 !important;
    cursor: pointer !important;
}

    .login-page .form .btn-login:hover,
    .login-page .form .btn-login:focus {
        background: #aa100a !important;
    }

.btn-link.btn-active {
    color: #da251e !important;
    border-bottom: 1px solid #da251e;
    font-weight: bold;
}

.login-page .form .ms-login-textbox {
    background: #fff !important;
    border: 1px solid #eee !important;
}

.login-page > .form {
    box-shadow: 0px 3px 30px rgba(0,0,0,.25);
}

    .login-page > .form > div.row.active-style {
        font-weight: 500 !important;
        font-size: 17px !important;
    }

    .login-page > .form > div.row.active-a a {
        color: black;
        font-size: 13px;
    }

        .login-page > .form > div.row.active-a a:hover {
            text-decoration: none;
        }


#s4-ribbonrow {
    display: none !important;
}

@media(max-width: 420px) {
    .login-page {
        width: 90% !important;
    }

        .login-page > .form {
            padding: 30px !important;
        }
}