.topNav {
    background-color: #115D8B;
    padding:20px 90px;
}

.topNav img {
    max-width:195px;
}


.teachingContanier{
    max-width:1000px;
    margin-left:auto;
    margin-right:auto;
}


.bggray {
    background-color: #F9F9F9;
}


.bgLightGreen {
    background-color: #B0E6EB;
}

.bgBlue {
    background-color: #0F71BC;
}


.banner{
    height:600px;
}

    .banner img {
        max-width: 532px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        padding-top:53px;
        padding-bottom:10px;
    }

    .banner h1 {
        font-size: 35px;
        line-height: 47px;
        text-align: center;
        font-weight: bold;
        color: #444444;
    }

.forgetBanner {
    background-color: #D2ECF9;
    background-image: url("../Teaching/forget_bg.png");
    background-size: auto;
    background-attachment: fixed;
}

.registeredBanner {
    background-color: #B0E6EB;
    background-image: url("../Teaching/registered_bg.png");
    background-size: auto;
    background-attachment: fixed;
}

.topStep {
    background-color: #0F71BC;
    padding: 40px 50px;
    margin-top: -100px;
    color: white;
}

.topStep i{
font-size:35px;
}

    .topStep h3{
        font-size: 30px;
        line-height:45px;
        font-weight:bold;
    }
    .topStep div {
        font-size: 22px;
        line-height: 35px;
    }

.teachingContent{
    background-color:white;
    padding-bottom:30px;
    margin-top:40px;
}

    .teachingContent h3 {
        background-color: #47B5BE;
        color:white;
        font-weight:bold;
        font-size:26px;
        line-height:45px;
        text-align:center;
        display:inline-block;
        width:520px;
        padding:10px;
        padding-bottom:10px;
        margin-bottom:50px;
    }

.article {
    padding-left: 60px;
    padding-right: 60px;
    display: flex;
    justify-content: start;
    align-items: center;
}

    .article p {
        color: #666666;
        font-size:18px;
        line-height:24px;
        padding-left:10px;
        margin-bottom:0;
    }



.teachingImg {
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: 350px;
    padding-top: 20px;
    padding-bottom: 20px;
    
}

.imgWidth70{
    width:70%;
}

.number {
    background-color: #47B5BE;
    color: white;
    font-weight: bold;
    font-size: 20px;
    border-radius:20px;
    padding:4px 12px;
    display:inline-block;
}

.orangeHint {
    color: #FAA41B;
    font-size:18px;
    line-height:25px;
}

.questionCard {
    background-color: #FCF7E4;
    border-radius: 5px;
    color: #876D40;
    max-width:330px;
    padding:25px;
    margin-left:auto;
    margin-right:auto;
}

.questionCard p{
    padding: 10px;
    line-height:30px;
    font-size:18px;
}

.questionTitle {
    border-bottom: 1px solid #876D40;
    padding-bottom:10px;
}
.questionTitle span{
    font-weight:bold;
    font-size:31px;
}
    .questionTitle h4 {
        font-weight: bold;
        font-size: 18px;
        line-height:24px;
        display:inline-block;
    }

.backToLogin {
    background-color: #0F71BC;
    color: white;
    font-size: 18px;
    font-weight: bold;
    border-radius: 30px;
    padding: 15px 30px;
    cursor:pointer;
    border: 1px solid transparent;
}

.backToLogin:focus {
    outline: none;
}


    .backToLogin:active {
        transform: scale(.95);
        user-select: none;
        outline: 0;
    }



@media(max-width:768px) {
    .banner img {
        width: 100%;
    }

    .topStep {
        margin-top: -200px;
        width:90%;
    }
        .topStep i {
            font-size: 25px;
        }
        .topStep h3 {
            font-size: 20px;
            line-height: 35px;
            margin-bottom:0;
        }

        .topStep div {
            font-size: 18px;
            line-height: 35px;
        }

    .teachingContent {
        padding-bottom: 18px;
        margin-top: 20px;
    }

        .teachingContent h3{
            font-size:20px;
            line-height:30px;
            width:80%;
            text-align:left;
        }

    .article {
        padding-left: 20px;
        padding-right: 20px;
    }
    .teachingImg{
        width:90%;
    }
    }