@media (max-width:800px) {
    .section1 {
        display: none;
    }

    #checkbtn {
        display: block;
    }

    #checkbtn:checked ~ ul {
        left: 0;
    }

    nav ul {
        width: 100%;
        height: auto;
        background-color: #0f1111;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        position: relative;
        left: -100%;
    }

    nav ul li {
        display: block;
        text-align: center;
    }

    ul button {
        display: none;
    }

    .about2 {
        height: auto;
        width: 100%;
        padding-bottom: 20px;
    }

    .about3 {
        height: auto;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        font-size: 25px;
        padding-bottom: 25px;
    }

    .services2 {
        width: 100%;
        height: auto;
    }

    .services5 {
        width: 80%;
        height: auto;
    }

    .line1 {
        height: auto;
        width: 100%;
        padding-top: 25px;
    }

    .text {
        height: auto;
        width: 100%;
    }
}