.container-maths {
    width: 100%;
    padding: 1rem;
    max-width: 1000px;
    margin: .5rem auto;
    text-align: justify;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-family: 'Noto Sans', sans-serif;
    line-height: 1.6;

}

.container-maths h1 {
    margin: 0;
    font-size: 2.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}


.container-maths p {
    margin-top: .5rem;
    padding: .5rem;
}

.container-maths section {
    margin-bottom: 1rem;
    padding: 1rem;
}

.container-maths h2,
.container-maths h3 {
    color: #4a90e2;
    /* Blue heading color */
}

/* .container-maths ul,
         .container-maths ol {
            padding: .5rem;
        } */

.container-maths ol li ul li {
    list-style: none;
    margin-top: 1rem;
    padding: .5rem;
    background-color: #99efe2;
    border-radius: 8px;
    border-left: 6px solid green;

}

.section ul li {
    list-style: none;
}

.formula {
    background-color: #99efe2;
    padding: .5rem;
    border-left: 6px solid green;
    margin: 1rem 0;
    border-radius: 8px;
}


/* Responsive Design */
@media (max-width: 800px) {

    /* Tablet */
    .container-maths h1 {
        font-size: 1.5rem;
    }

    .container-maths {
        padding: .4rem;
    }

    .container-maths h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {


    .container-maths h1 {
        font-size: 1.5rem;
    }

    .container-maths {
        overflow-x: scroll;

    }

    .formula {
        padding: 0.3rem;
    }
}