@media (min-width: 320px) and (max-width: 1500px) {
    .header {
        padding: 15px 0;
        padding-right: 15px;
        padding-left: 0px;
    }

    .section-title h2 {
        font-size: 30px;
    }

    h5 {
        font-size: 19px;
    }

    .header-nav li a {
        font-size: 14px;
        margin: 0 12px;
        display: inline-block;
    }

    .header-btns a {
        font-size: 19px;
        margin-left: 22px;
    }

    .header-btns::after {
        height: 34px;
        top: -8px;
    }

    .my-courses-item {
        padding: 14px 18px;
        margin-bottom: 10px;
    }

    .my-courses-thumb {
        width: 58px;
        height: 58px;
        margin-right: 13px;
        font-size: 17px;
    }

    .my-courses-content h5 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .announcement-item {
        padding: 14px 14px;
    }

    .announcement-item-thumb {
        width: 56px;
        height: 56px;
        margin-right: 14px;
    }

    .announcement-item-content p {
        font-size: 15px;
        line-height: 130%;
        letter-spacing: -0.02em;
    }

    .invoice-icon {
        max-width: 90px;
    }

    .invoice-item {
        border-radius: 14px;
        padding: 0 10px;
    }

    .invoice-content h6 {
        font-size: 17px;
        margin-bottom: 15px;
    }

    .invoice-content b {
        font-size: 15px;
    }




}

@media (min-width: 320px) and (max-width: 1400px) {


    h5 {
        font-size: 18px;
    }

    .my-courses-content h5 {
        font-size: 16px;
        margin-bottom: 9px;
    }

    .my-courses-content p {
        font-size: 14px;
    }

    .my-courses-thumb {
        width: 50px;
        height: 50px;
        margin-right: 11px;
        font-size: 14px;
    }

    .my-courses-item {
        padding: 12px 14px;
        margin-bottom: 10px;
        border-radius: 16px;
    }

    .overview-card {
        width: 310px;
    }

    .qa-list-item-content h6 {
        font-size: 16px;
        margin-bottom: 2px;
    }

    .text-sm {
        font-size: 11px;
        padding-top: 4px;
        margin-left: 2px;
    }

    .qa-list-item {
        padding: 6px 5px;
    }

    .invoice-icon {
        max-width: 70px;
    }

    .invoice-content h6 {
        font-size: 15px;
        margin-bottom: 11px;
    }

    .invoice-content b {
        font-size: 14px;
    }



}

@media (min-width: 320px) and (max-width: 1200px) {


    .sidebar {
        left: -100%;
        transition: .3s;
        opacity: 0;
        visibility: hidden;
        z-index: 6;
    }

    .main {
        padding-left: 0;
    }

    .sidebar-close {
        display: flex;
    }

    .sidebar-open, .menu-open {
        display: block;
    }

    .header-nav {
        display: none;
    }


    .sidebar.active {
        left: 0;
        opacity: 1;
        visibility: visible;
    }

    .sidebar-nav ul li a {
        font-size: 15px;
        margin-top: 22px;
    }

    .sidebar-profile h5 {
        font-size: 18px;
    }

    .sidebar-profile-thumb {
        font-size: 45px;
        margin-bottom: 14px;
    }


    .sidebar-footer {
        padding-top: 25px;
    }

    .sidebar-footer h5 {
        font-size: 18px;
    }



}

@media (min-width: 320px) and (max-width: 767px) {
    .overview-box {
        padding: 16px;
    }.section-title h2 {
        font-size: 28px;
    }.main-wrapper {
        padding: 24px 0px;
    }
}

@media (min-width: 320px) and (max-width: 575px) {.section-title h2 {
	font-size: 26px;
	margin-bottom: 7px;
}}