*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;

    box-sizing: border-box;
    text-decoration: none;
}
ul{
    list-style: none;
}
body{
    background-color: #1d1d1d;
}
ol{
    list-style-position: inside;
}
.begin{
    margin: 3% auto;
    width: 80%;
    border: 2px solid #111111;
    padding: 12px;
}
.begformat ul li , .finaformat ul li, .finaformat p{
    font-size: 22px;
    line-height: 2pc;
    word-spacing: 0.2pc;
    text-transform: capitalize;
    color: #ffffff;
}
.note{
    padding: 12px 10px;
    font-size: 1.5rem;
}
.note h1, .teaching-materials h1{
    font-size: 2rem;
    text-align: center;
    color: #00ffff;
    text-decoration: underline;
    padding: 22px;
}
.note p{
    color: #ffffff;
}
.note h2{
    text-align: center;
    color: #00ffff;
    text-decoration: underline;
    padding: 22px;
    font-size: 2rem;
}
.note ol li{
    font-size: 22px;
    margin-top: 5px;
    margin-bottom: 33px;
    color: #ffffff;
}
.note ol li span, .note ol li strong{
    font-weight: 800;
    color: #00ffff;
}
.teaching-materials {
    width: 100%;
    text-align: center;
}
.teaching-materials .video{
    display: flex;
    justify-content: space-around;
    width: 100%;
    padding: 22px;
}
.teaching-materials video{
    width: 40%;
    object-fit: cover;
}
.teaching-materials img{
    width: 40%;
    object-fit: cover;
}
@media(max-width:480px){
    .begin{
        width: 90%;
    }
    .note h2,.note h1, .teaching-materials h1{      
        font-size: 1.5rem;
    }
    .begformat ul li , .finaformat ul li, .finaformat p,.note p{
        font-size: 19px;
    }
    .note ol li{
        font-size: 19px;
    }
}