@media (min-width: 320px) and (max-width: 767px) {
    html {
        overflow-x: hidden;
    }

    .mx-sm-0 {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .main-nav {
        width: 100%;
    }

    .navbar-nav {
        background-color: #00000033;
        padding: 15px
    }

    .navbar-light .navbar-toggler-icon {
        filter: invert(1) brightness(100);
        outline: none;
        box-shadow: none
    }

    .about-sec .about-img img {
        width: 50%;
    }

    .counter-sec {
        padding: 20px 10px
    }

    .profile-sec .profile-name {
        font-size: 25px;
        font-weight: bold
    }

    .profile-sec .profile-img img {
        width: 50%;
        margin: auto;
        margin: 15px 0 30px
    }

    .order-xs-1 {
        order: 1
    }

    .order-xs-2 {
        order: 2
    }

    .mmbr-sec .mmbr-items {
        display: block
    }

    .mmbr-sec {
        height: auto
    }

    .join-sec .line {
        display: none
    }

    .join-sec button {
        border-radius: 50px;
        font-size: 21px;
        margin: 15px 0
    }

    .mmbr-sec.spons-sec .mmbr-items {
        -moz-column-count: 1;
        -moz-column-gap: 20px;
        -webkit-column-count: 1;
        -webkit-column-gap: 20px;
        column-count: 1;
        column-gap: 20px;
        display: block;
    }

    .contact-sec img {
        width: 50%;
        margin: 0 auto 30px
    }

    footer img {
        height: 130px;
        margin: auto;
        margin-bottom: 15px;
    }
}