excuse me, i would like to make my image 70% of the screen and my paragraph would become 2 lines,but my code produces large images and covering the text. please help me, thanks in andvance.

index.html

<div class="container">
        <div class="row custom-section d-flex align-item-center">
            <div class="col-lg-12 col-lg-4">
                <h2>Gatekno</h2>
                <h3>Service Center</h3>
                <p>Melayani jual beli sparepart komputer, service, dan install ulang laptop Anda. Kami mengutamakan profesionalisme dalam bekerja.</p>
                <a href="#">Pelajari lebih lanjut</a>
            </div>
            <div class="col-lg-12 col-lg-8">
                <img src="assets/images/mainbenner.png" alt="Gatekno-banner">
            </div>
        </div>
    </div>

style.css

.custom-section {
    width: inherit;
    padding: 40px 0;
    @media screen and (max-width: 991.98px) {
        flex-direction: column-reverse
    }
}

.custom-section .col-lg-4 {
    margin-top: 100px;
}

.custom-section .col-lg-4 h2 {
    margin-bottom: 0;
    font-weight: 700;
    font-size: 63px;
    color: black;
    line-height: 1;
    white-space: nowrap;
}

.custom-section .col-lg-4 h3 {
    font-weight: 300;
    color: black;
    font-size: 64px;
    line-height: 1;
}

.custom-section .col-lg-4 p {
    margin-top: 30px;
    font-size: 14px;
    color: black;
}

.custom-section .col-lg-4 a {
    display: inline-block;
    padding: 8px 22px;
    color: white;
    background-color: #1ea5f7;
    border: 2px solid transparent;
    margin-top: 60px;
    text-decoration: none;
    transition: .4 cubic-bezier(0.785, 0.135, 0.15, 0.86);
}

.custom-section .col-lg-4 a:hover {
    color: #1ea5f7;
    background-color: #fff;
    border: 1px solid #1ea5f7;
}

.col-lg-8 img {
    width: 70%;
    position: absolute;
    top: -23rem;
    right: -11%;
    z-index: -1;
    @media screen and (max-width: 991.98px) {
        width: 70%;
        position: relative;
        top: 0;
        right: 0;
    }
}