main{
    margin:0 auto;
}
h1{
    margin: 0;
    padding-top: 2em;
    padding-bottom: 1em;
    text-align: center;
    color: var(--dark);
}
.Grades-img img{
    display: block;
    width: 100%;
    height: 10em;
    object-fit: contain;
    object-position: center;
}
.Grades-text{
    width: 100%;
    height: 15em;
    overflow: scroll;
    padding: 1em;
    background-color: var(--light);
}@media only screen and (min-width:768px) {
    .Grades-text{
        width: 70%;
        float: left;
    }
    .Grades-img{
        width: 30%;
        float: left;
    }
}
.card-img{
    display: block;
    width: 100%;
    height: 10em;
    object-fit: contain;
    object-position: center;
}
.card h3{
    display: block;
    width: 100%;
    height: 10em;
    object-fit: contain;
    object-position: center;
}
.container h2{
    text-align: center;
}