img {
    max-width: 100%;
}

.toggle_hide {
    display: none;
}

/* responsive design initial features - same as desktop */
.responsive_no_margin {
    margin: 0px !important
}

.responsive_container {
    clear: both;
    margin-left: auto;
    margin-right: auto;
}

.responsive_container::before,.responsive_container::after {
    display: table;
    content: "";
    line-height: 0;
}

.responsive_container::after {
    clear: both;
}

.responsive_row {
    clear: both;
    margin-bottom: 18px;
}

.responsive_row.no-space {
    margin-bottom: 0;
}

.responsive_row::before,.responsive_row::after {
    display: table;
    content: "";
    line-height: 0;
}

.responsive_row::after {
    clear: both;
}

.responsive_row > p:last-child {
    margin-bottom: 0;
}

[class*="responsive_cell"] {
    float: left;
    display: block;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
}

.responsive_display_on_smartphone {
    display: none !important;
}

.responsive_display_on_tablet, .responsive_display_on_hd, .responsive_hide_on_desktop {
    display: none;
}

.responsive_display_on_desktop, .responsive_hide_on_smartphone, .responsive_hide_on_hd {
    display: block;
}

.responsive_display_inline_on_smartphone {
    display: none !important;
}

.responsive_center {
    display: table;
    margin-left: auto;
    margin-right: auto;
}

.responsive_entry_center_wrap {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 5px grey;
    padding: 0 0 0 21px;
}

.responsive_footer_top {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 18px;
}

.responsive_footer_bottom {
    padding-top: 12px;
}

.responsive_footer_top .links {
    vertical-align: middle;
}

.responsive_footer_bottom_wrap {
    float: left;
}

.responsive_footer_bottom .links {
    padding: 6px 0 0 0;
    float: left;
    clear: left;
}

/**********************************/

/* Layout resolution = default/desktop */
#ad_btmslot_a,
#ad_btmslot_b,
#ad_leftslot_a,
#ad_topslot_a,
#ad_topslot_b,
#ad_houseslot1_a {
    margin-bottom: 18px;
}
#ad_btmslot_a,
#ad_btmslot_b {
  width: 300px;
  height: 250px;
}
#ad_leftslot_a {
  width: 160px;
  height: 600px;
}
#ad_topslot_a,
#ad_topslot_b {
  width: 728px;
  height: 90px;
}
.responsive_row.premium-navigation,
#ad_topslot_a,
#ad_topslot_b {
  margin-bottom: 11px;
}
#ad_topslot_b {
  display: none;
}
#ad_houseslot1_a {
  width: 180px;
  height: 150px;
}

.nopads .am-default {
  display: none !important;
}

.nopads #ad_houseslot1_a {
  display: block !important;
}

.nohads #ad_houseslot1_a {
  display: none !important;
}

.responsive_container {
    width: 892px;
}

.responsive_cell_left {
    width: 624px;
}

.responsive_cell_right {
    width: 250px;
}

.responsive_cell_left_left {
    width: 364px;
    float: left;
    margin-bottom: 0 !important;
}

.responsive_cell_left_right {
    width: 364px;
    margin-bottom: 0 !important;
}

.responsive_entry_center {
    float: left;
}

.responsive_entry_left {
    width: 160px;
    margin-right: 11px;
}

.responsive_entry_right {
    float: right;
}

.responsive_entry_center {
    width: 714px;
}

.responsive_entry_center_left,.responsive_entry_center_left_premium,.responsive_entry_center_right {
    float: left;
}

.responsive_entry_center_left {
    width: 471px;
}

.responsive_entry_center_left_premium {
	margin-right: 0;
     width: 649px;
}

.responsive_entry_center_right {
    background-color: #fff;
    margin-top: 7px;
    width: 222px;
    padding: 19px 21px 0;
    border-radius: 21px 0 0 0;
}

.responsive_entry_center_wrap > #main_column,
.responsive_entry_center_wrap > #ox-wrapper:first-child {
    padding-top: 21px;
    padding-right: 21px;
}

[class*="responsive_cell"] {
    margin-right: 18px;
    margin-bottom: 18px;
}

.responsive_row [class*="responsive_cell"]:last-child {
    margin-right: 0px;
}

.responsive_row [class*="responsive_cell"].responsive_float_right {
    margin-left: 7px;
}

.responsive_row.flush-below {
    margin-bottom: 0;
}

#ad_leftslot_container {
    width: 160px;
    float: left;
    margin: 0px 0 15px 11px;
}

.ac_leftslot.sticky {
    position: relative;
    top: 0px;
    left: -11px;
}

.ac_leftslot.sticky #ad_leftslot {
    position: static;
}
/* end */

/* Layout resolution = smartphone */
@media screen and (max-width: 360px) {
    #ad_topslot_a,
    #ad_topslot_b {
      width: 320px;
      height: 50px;
    }
    body, html {
      overflow-x:hidden;
    }
    .responsive_container {
        min-width: 320px;
        width: 100% !important;
        margin: 0;
    }
    .responsive_row,
    .responsive_row.premium-navigation,
    #ad_btmslot_a,
    #ad_btmslot_b,
    #ad_leftslot_a,
    #ad_topslot_a,
    #ad_topslot_b,
    #ad_houseslot1_a {
      margin-bottom: 6px !important;
    }
    .responsive_entry_center_wrap, .box {
        border-radius: 0;
    }

    /* reduce image popup on smartphone */
    #lightbox-container-image-box {
        height: auto !important;
    }
    #lightbox-container-image-data-box {
        padding: 0 !important;
    }
    .responsive_container {
        margin-left: 0;
        margin-right: 0;
    }
    .responsive_align_left_on_smartphone {
        margin-left: 0 !important;
    }
    .old-logo-title,.responsive_mainsearch_center {
        margin-left: 2px !important;
    }
    .expanding-box,.side-selector,[class*="tint_panel"] {
        margin-right: -16px;
        margin-left: -16px;
        border-radius: 0 !important;
    }
    .prem-nav-select {
        border-radius: 0;
        border-left-width: 0px;
        border-right-width: 0px;
    }
    .licencetext {
        width: 300px !important;
    }
}

@media screen and (min-width:550px) {
    .wl-table .btn {
        margin: -5px 0;
        width: 30px;
        overflow: hidden;
        border: 2px solid transparent;
        background: transparent;
    }
    /*.test__form .test__answer {
        display: block;
        width: 100%;
    }*/
    /*.test__form .test__form {
        display: block;
    }*/
}

@media screen and (min-width: 261px) and (max-width: 761px) {
    .responsive_row,
    #ad_btmslot_a,
    #ad_btmslot_b,
    #ad_leftslot_a,
    #ad_houseslot1_a {
      margin-bottom: 12px;
    }

    .responsive_hide_on_desktop {
        display: block;
    }
    .responsive_row {
        min-width: 300px;
    }
    .responsive_center_on_smartphone {
        margin-left: auto;
        margin-right: auto;
        display: table;
        text-align: center;
    }
    .responsive_container {
        width: 93%;
    }
    [class*="responsive_cell"] {
        clear: both;
        width: 100% !important;
        margin: 0px 0px 0px 0px !important;
        margin-bottom: 10px;
    }
    .responsive_hide_on_smartphone {
        display: none !important;
    }
    .responsive_display_on_desktop {
        display: none;
    }
    .responsive_display_on_smartphone {
        display: block !important;
    }
	
    .responsive_entry_center_wrap {
        padding: 0 14px;
    }
    .responsive_entry_center_wrap > #main_column,
    .responsive_entry_center_wrap > #ox-wrapper:first-child {
        padding-top: 12px;
        padding-right: 0px;
    }
    .responsive_entry_center_right,.responsive_entry_center_left {
        float: none;
    }
    .responsive_entry_center {
        width: 100%;
    }
    .responsive_entry_right {
        float: left;
        margin-top: 0;
    }
    /* header */
    #ox-container #ox-header .top .login-circle {
        width: 100%;
        height: inherit;
        margin: 0;
        padding: 0;
        background: none;
        top: 0;
    }
    #ox-container #ox-header .top .login-circle:hover {
        padding-top: 0;
    }
    #ox-container #ox-header .top .login-circle li {
        background-color: #8f0610;
        border-radius:18px;
    }
    #ox-container #ox-header .top .login-circle li:hover {
        background-color: #c00815;
    }
    #ox-container #ox-header .top {
        position: absolute;
        width: 100%;
        background-image: none;
        z-index: 10;
    }
    .nav .login-circle a {
        line-height: 24px;
    }
    .main_nav.open-nav {
        max-height: 1000px;
    }
    .main_nav {
        overflow: hidden;
        max-height: 0;
    }
    #ox-container #ox-header .top ul {
        display: block;
        width: 100%;
    }
    #ox-container #ox-header .top ul li {
        width: 300px;
        display: block;
        margin:0 auto;
        margin-bottom:4px;
    }
    .menu a:hover, .menu a.top-toolbar-active {
        border-radius: 21px;
        padding-top: 8px;
        border-width: 0px;
    }
    .menu.logout {
        margin: 0 auto;
        float: none;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    .menu.logout ul {
        padding: 0;
    }
    .menu.logout li a,
    .menu.logout li input {
        display: block;
        margin: 4px auto;
    }
    /* -end- header */

    /* changing elements size */
    .recentsearches {
        width: 100%;
        margin: 0 auto;
    }
    #wotd-box {
        margin-top: 0 !important;
        width: 100% !important;
    }
    .icon-left-colapse {
        width: 30px;
        overflow: hidden;
    }
    /* -end- changing elements size */

    /* homepage boxes : enlarge the boxes to its maximum */
    .row {
        display: inline;
        margin-bottom: 0;
    }
    .box {
        width: 100%;
        display: block;
        margin-bottom: 6px;
    }
    .box-padding {
        display: none;
    }
    /* -end- homepage boxes */

    /* reduce image popup on smartphone */
    #lightbox-container-image-box { 
        width: 90% !important;
        min-width: 300px;
        height: auto !important;
    }
    #lightbox-container-image-data-box {
        width: 90% !important;
        padding: 0 !important;
        min-width: 300px;
    }
    /* -end- reduce image popup on smartphone */

    /* usage list - increase left cell on mobile view */
    dl.dl_as_table dt {
        width: 90px !important;
    }
    dl.dl_as_table dd {
        margin-left: 97px !important;
    }

    /* fix the size of the div (which hosts the widget code) for each view*/
    #code1,#code2,#code3 {
        width: 100%;
    }

    /* mywordlist feature */
    .btn.icon-left a, .btn.icon-left-colapse a {
        padding-left: 27px !important;
    }
    .test__form .test__answer {
        width: 100% !important;
    }
    /* -end- mywordlist feature */

    /* entry page buttons */
    .icon-left-colapse {
        width: 30px !important;
        overflow: hidden;
    }
    /* -end- entry page buttons */

    /* footer */
    .oup-footer {
        margin-bottom: 0px !important;
    }
    .oup-footer .responsive_container {
        min-width: 250px;
    }
    .responsive_footer_bottom .oup-logo, .responsive_footer_top .slt-logo, .responsive_footer_bottom_wrap .links {
      float: none;
    }
    .responsive_footer_top .slt-logo {
      margin: 0 auto 16px;
    }
    .slt-logo {
        margin: 0 auto 16px;
    }
    .responsive_footer_bottom .oup-logo {
      margin-right: 0;
    }
    .oup-logo {
        margin-right: 0;
    }
    .oup-logo, .slt-logo, .responsive_footer_bottom_wrap .links {
        float: none;
    }
    .oup-footer .responsive_footer_top .btn {
        margin: 0 auto 8px;
        display: block;
    }
    .responsive_footer_top .links {
        margin-top: 6px;
    }
    .oup-footer .responsive_footer_bottom p.copyright {
        float: none;
        margin-top: 6px;
        margin-bottom: 10px;
        padding: 0;
    }
    .versionSelector {
        float: none;
        display: block;
    }
    .responsive_footer_top,
    .responsive_footer_bottom {
        width: 100%;
        min-width: 202px;
    }
    /* -end- footer */
}

@media screen and (max-width: 550px) {
    .wl-table .btn {
        margin: 0;
    }
    .wl-table .delete-btn {
        border: 2px solid transparent;
        background: transparent;
        width: 30px;
        overflow: hidden;
    }
    .wl-table, .wl-table th {
        border: none !important;
    }
    .wl-table tr {
        display: block;
        padding: 12px 50px 3px 12px;
        border: 1px solid #cccccc;
        margin-bottom: -1px;
        position: relative;
    }
    .wl-table.wl_home tr {
        padding-right: 42px;
    }
    .wl-table td:last-child {
        padding-left: 5px !important;
    }
    .wl-table td {
        padding: 0 !important;
        text-align: left !important;
        padding-top: 6px !important;
        padding-bottom: 6px !important;
    }
    .wl-table tr:first-child {
        display: none;
    }
    .wl-table td.wl-col1,.wl-table td.wl-col2,.wl-table td.wl_col3 {
        display: block;
    }
    .wl-table.wl-home td.wl-col2:before {
        content: "Words: ";
    }
    .wl-table.wl-home td.wl-col3 {
        width: 100%;
    }
    .wl-table.wl-home td.wl-col3:before {
        content: 'Score: ';
    }
    .wl-table.wl-home td.wl-col4 {
        display: block;
        width: 100%;
    }
    .wl-table td.wl-col5 {
        position: absolute;
        display: table-cell;
        top: 0;
        bottom: 0;
        right: 0;
        width: 40px;
        background-color: rgba(0, 0, 0, 0.1);
        padding: 5px;
        vertical-align: center;
    }
    .wl-table td.hide-delete-icon {
        display:none;
    }
    .btn.test-btn a {
        padding-left: 30px !important;
    }
    .btn.delete-btn a {
        padding-left: 28px !important;
    }
    .wl-table .wl-sub-head:last-child {
        color: #333333;
        background: transparent;
        font-size: 16px;
        padding-left: 0 !important;
    }

    /* language study terms */
    .lang-study-page .lang-col {
        float: none;
        width: 100%;
    }
}

/* Layout resolution = intermediate smartphone-tablet resolution */
@media screen and (max-width: 761px) {
    #ad_btmslot_a,
    #ad_btmslot_b {
      margin-left: auto;
      margin-right: auto;
    }
    #ad_leftslot_a {
      display: none;
    }
    #ad_topslot_a,
    #ad_topslot_b {
      width: 320px;
      height: 50px;
      margin-left: auto;
      margin-right: auto;
    }
    .responsive_entry_center_left, .responsive_entry_center_left_premium {
        width: 100%;
    }
    .responsive_entry_center_right {
        padding: 0;
        width: 100%;
    }
    .hide_phone {
        display: none;
    }
    .display_phone {
        display: block;
    }
    /* main logo */
    .homepage .old-logo-title, .old-logo-title {
        margin-top:5px;
        height: 50px;
        width: 235px;
        background: url(../images/header/logo-mini.png) no-repeat center left;
        background-size:100%;
    }

    /* searchfield */
    .mainsearch {
        width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .mainsearch .dictionarySelector {
        width: 34px !important;
        height: 30px;
        margin: 0 6px -67px 0;
        padding-bottom: 70px;
    }

    .mainsearch .dictionarySelector #select_div div, 
    #arrow_select {
        display: none !important;
    }

    .mainsearch .dictionarySelector #select_div {
        background-image: url(../images/searchform/icon-select-arrow.png);
        background-size: 100%;
        background-repeat: no-repeat;
        width: 31px;
        height: 30px;
    }

    .main-container {
        padding-left: 5px;
    }

    .searchfield_input {
        font-size: 13px;
        width: 98%;
    }
    /* -end- searchbar */

    /* my wordlist test me answers */
    div.result {
        display: block;
        margin: 0 0 14px;
        width: 100%;
    }
    #check-answer .test__form .test__next, #check-answer .test__form .test__quit {
        display: inline-block;
    }
    .video__wrap.full-width .video-player {
        width: 100%;
        height: auto;
        display: block;
        float: none; 
    }
    .video__wrap.full-width .video-player__text {
        width: 100%;
        display: block;
        float: none;
        padding: 7px 0; 
    }
    .video__wrap.full-width .video-player iframe {
        margin: 7px auto; 
    }
    .video__wrap.full-width .video-player__text {
        text-align: center;
        padding: 0 7px; 
    }
    .licencetext {
        width: 320px;
    }

    #ad_leftslot_container {
        display: none;
    }
}

/* Layout resolution = tablet */
@media screen and (min-width: 762px) and (max-width: 928px) {
    .responsive_row,
    #ad_btmslot_a,
    #ad_btmslot_b,
    #ad_leftslot_a,
    #ad_houseslot1_a {
        margin-bottom: 14px;
    }
    .responsive_entry_center {
        width: 572px;
    }
    .responsive_entry_center_wrap {
        padding: 0 0 0 14px;
    }
    .responsive_entry_center_wrap > #main_column,
    .responsive_entry_center_wrap > #ox-wrapper:first-child {
        padding-top: 14px;
        padding-right: 14px;
    }
    .responsive_entry_center_left {
        width: 350px;
    }
    .responsive_entry_center_left_premium {
        width: 528px;
    }
    .responsive_entry_center_right {
        width: 208px;
        padding: 19px 14px 0;
        border-radius: 14px 0 0 0;
    }
    .responsive_entry_right {
        float: left;
        margin-top: 3px;
    }
    .responsive_display_inline_on_smartphone {
        display: none !important;
    }
    .responsive_hide_on_desktop {
        display: block;
    }
    .responsive_hide_on_tablet, .responsive_display_on_desktop {
        display: none;
    }
    .responsive_display_on_tablet {
        display: block !important;
    }
    .responsive_container {
        width: 750px;
    }
    .responsive_cell_left {
        width: 482px;
        margin-right: 18px !important
    }
    .responsive_cell_right {
        width: 250px;
    }
    .responsive_wotd, .responsive_recentsearches {
        width: 100%;
    }
    [class*="responsive_cell"] {
        margin-right: 0px;
        margin-bottom: 7px;
    }
    [class*="responsive_cell_left_"] {
        margin-bottom: 7px;
        width: 482px;
    }
    .responsive_row [class*="responsive_cell"]:first-child {
        margin-right: 0px;
    }
    .responsive_row [class*="responsive_cell"].responsive_float_right {
        margin-left: 7px;
    }

    /* homepage boxes : enlarge the boxes to its maximum */
    .row {
        display: inline;
        margin-bottom: 0;
    }
    .box {
        width: 100%;
        display: block;
        margin-bottom: 6px;
    }
    .box-padding {
        display: none;
    }
    /* -end- homepage boxes */

    /* footer */
    .oup-footer .responsive_container {
        width: 100%;
    }
    .responsive_footer_top .links {
        margin: 10px 0 0 -6px;
        display: block;
    }
    .responsive_footer_bottom_wrap {
        display: block;
        margin-left: -6px;
        float: none;
    }
    .versionSelector {
        float: none;
        clear: both;
        padding-top: 8px;
    }
    .responsive_footer_top,
    .responsive_footer_bottom {
        width: 100%;
    }
    /* -end- footer */

    /* my wordlist test me */
    #check-answer .test__form .test__next, #check-answer .test__form .test__quit {
        float: none;
    }
    .licencetext {
        width: 320px;
    }
    .survey .responsive_container{
        width: 94%;
    }
}

@media screen and (min-width: 929px) {
    .is-active .video__wrap {
        width: 50%;
        float: left; 
    }
}

@media screen and (min-width: 929px) and (max-width: 1219px) {
    .versionSelector {
        float: none;
        clear: both;
        padding-top: 10px;
    }
    .licencetext {
        width: 450px;
    }
}

@media screen and (max-width: 1220px) {
    .info-enlarge-desc {
        display: block;
        padding-left: 0;
        padding-right: 0;
    }
}

/* Layout resolution = hd */
@media screen and (min-width: 1220px) {
    .responsive_row,
    #ad_btmslot_a,
    #ad_btmslot_b,
    #ad_leftslot_a,
    #ad_houseslot1_a {
      margin-bottom: 28px;
    }
    #ad_topslot_a {
      display: none;
    }
    #ad_topslot_b {
      display: block;
    }
    .responsive_entry_left {
        width: 160px;
    }
    .responsive_entry_center {
        width: 988px;
    }
    .responsive_entry_center_left {
        width: 724px;
    }
    .responsive_entry_center_left_premium {
        width: 844px;
    }
    .responsive_entry_center_left_premium .top-container .webtop-g{
        margin-right: -320px;
    }
    .responsive_entry_center_left_premium + .responsive_entry_center_right {
        width: 300px;
    }
    .responsive_entry_center_right {
        width: 236px;
        border-radius: 28px 0 0 0 ;
        padding: 19px 28px 0;
    }
    .responsive_entry_center_wrap {
        padding: 0 0 0 28px;
    }
    .responsive_entry_center_wrap > #main_column,
    .responsive_entry_center_wrap > #ox-wrapper:first-child {
        padding-top: 28px;
        padding-right: 28px;
    }
    .responsive_display_inline_on_smartphone {
        display: none !important;
    }
    .responsive_hide_on_desktop, .responsive_display_on_hd {
        display: block;
    }
    .responsive_hide_on_hd, .responsive_display_on_desktop {
        display: none;
    }
    .responsive_container {
        width: 1172px;
    }
    .responsive_cell_left {
        width: 904px;
    }
    .responsive_cell_right {
        width: 250px;
    }
    .responsive_cell_left_left, .responsive_cell_left_right {
        width: 509px;
    }
    .responsive_wotd, .responsive_recentsearches {
        width: 100%;
    }
    [class*="responsive_cell"] {
        margin-right: 18px;
        margin-bottom: 18px;
    }
    .responsive_row [class*="responsive_cell"].responsive_float_right {
        margin-left: 7px;
    }
    .box-padding{
        width: 0.9em;
    }
    .info-enlarge-desc {
        width: 378px;
    }
    .licencetext {
        width: 600px;
    }
    /* Restricted for entry & pronunciation */
    .restrictedLogin {
        float: right;
        position: absolute;
        bottom: 0;
        right: 0;
    } 
    .restrictedLinks table {
        width: 80%;
        position: absolute;
    }
    .restrictedLinks .bookCoverImage {
        float: right;
    }
}