body {
  font-family: "SF Pro Display", "Roboto", "arial", "sans-serif";
}

a:hover {
  text-decoration: none;
  color: #2d466e;
}

/* code highlighter */
pre code {
  white-space: pre-wrap !important;
}

/*  header  */
.landing-header .row {
  min-height: 108px;
}

.landing-header a {
  color: #9b9b9b;
  font-size: 14px;
  font-weight: bold;
  line-height: 2;
}

.landing-header a:hover {
  color: #4a4a4a;
}

.landing-header span {
  color: #4a4a4a;
  font-size: 14px;
  font-weight: bold;
  line-height: 2;
  cursor: default;
}

.landing-header .sign-buttons button {
  height: 44px;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
}

.landing-header .sign-buttons button.dc-btn-sign-in {
  width: 100px;
  border: solid 1px #427dff;
  margin-right: 15px;
  font-size: 14px;
  color: #427dff;
}

.landing-header .sign-buttons button.dc-btn-sign-up {
  width: 110px;
  border: solid 1px #1a283e;
  background-color: #1a283e;
  font-size: 14px;
}

.dc_transparent {
  color: transparent !important;
}

.dc-header-logo {
  display: block;
  width: 153px;
  height: 43px;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: 50% 50%;
  background-image: url("https://duecode.io/blog/images/logo-dark_21.svg");
}

.dc-btn-sign-in:hover {
  background-color: #1571a7 !important;
  color: #fff !important;
}

.dc-btn-sign-up:hover {
  background-color: #2d466e !important;
}

/*  main body  */
/*  post card  */
.figure {
  margin-bottom: 0;
  -webkit-box-sizing: content-box;
          box-sizing: content-box;
}

.post_card_block {
  margin-bottom: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
}

.post_card_block .post_card_main .figure_img_main {
  height: 257px;
  width: 360px;
  padding-right: 30px;
}

.post_card_block .post_card_main .figure_img_main a img {
  height: 257px !important;
  width: 360px !important;
}

/*  progress  */
progress {
  -webkit-appearance: none;
  -moz-appearance: none;
       appearance: none;
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 3px;
}

progress[value]::-webkit-progress-bar {
  background-color: rgba(0, 0, 0, 0.2);
}

progress[value]::-webkit-progress-value {
  background-color: #427dff;
}

progress:before {
  content: attr(data-reading-progress);
  position: absolute;
  background: none;
  font-size: 0.6em;
  margin: 0.6em 0.8em;
  color: white;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  padding: 0.3em 0.6em;
  border-radius: 0.8em;
}

.content {
  max-width: 600px;
  margin: 0 auto;
}

/*  table of contents  */
.post-content {
  padding: 0;
  margin: 0;
}

.post-content h2,
.post-content h3 {
  outline: none;
}

body {
  overflow: visible;
}

/* .post-full-content {
	display: grid;
	grid-template-columns: 1fr 0.2fr;
	padding: 0 0 6vw;
	margin: 0;
} */
.toc-container {
  -webkit-box-ordinal-group: 2;
      -ms-flex-order: 1;
          order: 1;
}

.toc-container .toc {
  position: -webkit-sticky;
  position: sticky;
  top: 70px;
  min-width: 260px;
  /* font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
		Ubuntu, Cantarell, Open Sans, Helvetica Neue, sans-serif; */
  line-height: 1.4em;
  padding: 0 0.8em;
}

.toc-container .toc a {
  color: #427dff;
}

.toc-container .toc a:hover {
  text-decoration: underline;
}

.art_related_posts .toc-container .toc {
  min-width: 250px;
}

.is-active-link {
  font-weight: normal;
}

.is-active-link::before {
  background-color: #3eb0ef;
}

ol.toc-list {
  margin: 0;
}

.toc-link::before {
  margin-top: -8px;
}

/*  footer  */
.cq_free_propose {
  padding-top: 0;
  padding-bottom: 60px;
}

.cq_free_propose .dc-free-container {
  border-radius: 4px;
  -webkit-box-shadow: 0 20px 60px 0 rgba(25, 104, 252, 0.1);
          box-shadow: 0 20px 60px 0 rgba(25, 104, 252, 0.1);
  background-color: #11223f;
  min-height: 296px;
  padding: 64px;
}

.cq_free_propose .dc-free-container .cq_free_propose-col {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq_free_propose_txt {
  min-height: 114px;
  font-weight: 700;
  font-size: 45px;
  color: #ffffff;
  line-height: 65px;
  padding-bottom: 35px;
  position: relative;
  top: 10px;
  font-family: "SFUIText", "Roboto", "arial", "sans-serif";
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq_free_propose_txt_free {
  position: static;
  font-weight: 700;
  font-size: 70px;
  line-height: 84px;
  padding-bottom: 34px;
  color: #ffffff;
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq_free_propose_txt_free_4_devs {
  font-size: 22px;
  color: #fff;
  font-family: "SFUIText", "Roboto", "arial", "sans-serif";
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq__free_propose_btn_1 {
  padding-bottom: 20px;
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq__free_propose_btn_1 button {
  width: 299px;
  height: 70px;
  border-radius: 4px;
  border: solid 2px #d4ecff;
  font-size: 20px;
  line-height: 1;
  text-align: center;
  color: #d4ecff;
  position: relative;
  font-family: "SFUIText", "Roboto", "arial", "sans-serif";
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq__free_propose_btn_1 button.with-curve::after {
  content: ">";
  position: absolute;
  font-size: 1.8rem;
  right: 80px;
  top: 18px;
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq__free_propose_btn_2 button {
  width: 299px;
  height: 70px;
  border-radius: 4px;
  background-color: #0e7dbf;
  font-size: 20px;
  line-height: 1;
  text-align: center;
  color: #ffffff;
  font-family: "SFUIText", "Roboto", "arial", "sans-serif";
}

.cq_free_propose .dc-free-container .cq_free_propose-col .cq__free_propose_btn_2 button:hover {
  color: #2d466e;
}

.cq_free_propose .dc-free-container .cq_free_propose-col:nth-child(2) {
  padding-left: 36px;
}

#cq-landing-footer {
  padding-left: 0;
  padding-right: 0;
  border-top: 1px solid rgba(188, 208, 229, 0.5);
}

#cq-landing-footer > div {
  min-height: 200px;
  padding-top: 70px;
  padding-bottom: 70px;
}

#cq-landing-footer > div > .row {
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

#cq-landing-footer > div > .row .dc-footer-logo_column div:nth-child(1) > a {
  background-repeat: no-repeat;
  background-size: contain;
  background-position: 50% 50%;
  background-image: url("https://duecode.io/blog/images/logo-dark_21.svg");
  width: 153px;
  height: 43px;
  display: block;
}

#cq-landing-footer > div > .row .dc-footer-logo_column div:nth-child(2) {
  color: #544837;
  font-size: 14px;
  font-weight: 500;
  padding-top: 18px;
  line-height: 1;
}

#cq-landing-footer > div > .row .dc-footer-logo_column div:nth-child(3) {
  color: #544837;
  font-size: 14px;
  margin-top: 1rem;
}

#cq-landing-footer > div > .row .dc_footer_legal_follow .dc_footer_follow_social .dc_footer_follow_social_fb span,
#cq-landing-footer > div > .row .dc_footer_legal_follow .dc_footer_follow_social .dc_footer_follow_social_twit span {
  display: inline-block;
  width: 26px;
  height: 26px;
  padding-right: 8px;
}

#cq-landing-footer > div > .row .dc_footer_legal_follow .dc_footer_follow_social .dc_footer_follow_social_fb:hover,
#cq-landing-footer > div > .row .dc_footer_legal_follow .dc_footer_follow_social .dc_footer_follow_social_twit:hover {
  padding-left: 2px;
}

#cq-landing-footer > div > .row .cq-footer-list > .dc_footer_legalstuff {
  font-size: 20px;
  line-height: 1.5;
  color: #2f281e;
  font-weight: 500;
  margin-bottom: 10px;
}

#cq-landing-footer > div > .row .cq-footer-list > div:not(:nth-child(1)) {
  font-size: 16px;
  line-height: 2.19;
  color: #544837;
}

#cq-landing-footer > div > .row .cq-footer-list > div > a {
  font-size: 16px;
  line-height: 2.19;
  color: #544837;
}

#cq-landing-footer > div > .row .cq-footer-list > div > a:hover {
  text-decoration: none;
}

@media (max-width: 992px) {
  .cq_free_propose .dc-free-container {
    padding: 50px;
    min-height: 0;
    min-height: initial;
  }
  .cq_free_propose-col {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .cq_free_propose .cq_free_propose_txt {
    font-size: 64px;
  }
  .cq_free_propose_txt_free {
    text-align: center;
  }
  .cq_free_propose_txt_free_4_devs {
    font-size: 18px;
    text-align: center;
    padding-bottom: 36px;
  }
}

@media (max-width: 767px) {
  .cq_free_propose .dc-free-container {
    -webkit-box-orient: vertical !important;
    -webkit-box-direction: normal !important;
        -ms-flex-direction: column !important;
            flex-direction: column !important;
  }
  .cq_free_propose .dc-free-container .cq_free_propose-col:first-child {
    padding-bottom: 20px;
  }
  .cq_free_propose .dc-free-container .cq_free_propose_txt {
    min-height: 0;
    min-height: initial;
    padding-bottom: 20px;
  }
  .cq_free_propose_txt_free {
    font-size: 52px !important;
    line-height: 64px !important;
  }
  .cq_free_propose_txt_free_4_devs {
    font-size: 16px !important;
  }
  .dc-free-container button {
    width: 100% !important;
    font-size: 18px;
    height: 60px;
  }
  .cq_free_propose-col:nth-child(2) {
    padding-left: 0 !important;
  }
  #cq-landing-footer > div {
    padding-top: 0;
  }
  #cq-landing-footer > div > .row .dc-footer-logo_column {
    margin-top: 35px;
  }
  #cq-landing-footer > div > .row .cq-footer-list > div:nth-child(1) {
    margin-top: 35px;
    margin-bottom: 10px;
  }
}

@media (max-width: 475px) {
  .cq_free_propose .dc-free-container {
    padding: 50px;
  }
}

@media (max-width: 375px) {
  .cq_free_propose .dc-free-container {
    padding: 30px;
  }
  .cq__free_propose_btn_1 button.with-curve::after {
    content: "";
    display: none;
  }
}

.cq-cta-block-bg {
  width: 100%;
  position: fixed;
  bottom: 0;
  display: none;
  background: -webkit-gradient(linear, left bottom, left top, from(rgba(14, 125, 192, 0.5)), to(rgba(14, 125, 192, 0.05)));
  background: linear-gradient(to top, rgba(14, 125, 192, 0.5), rgba(14, 125, 192, 0.05));
  background-color: #ffffff;
  z-index: 9;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
}

.cq-cta-block-bg .cq-cta-block {
  width: 100%;
  min-height: 130px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding-top: 30px;
  padding-bottom: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
}

@media screen and (min-width: 1025px) and (max-width: 1310px) {
  .cq-cta-block-bg .cq-cta-block {
    padding-top: 20px;
    padding-bottom: 20px;
    max-width: calc(100% - 170px);
  }
}

@media screen and (max-width: 1160px) {
  .cq-cta-block-bg .cq-cta-block .cq-cta-block-bg
.cq-cta-block
.cq-cta-block-in.container-xl
.cq-cta-block-txt {
    font-size: 24px;
  }
}

.cq-cta-block-bg .cq-cta-block .cq-cta-block-in {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media (max-width: 1024px) {
  .cq-cta-block-bg .cq-cta-block .cq-cta-block-in {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}

.cq-cta-block-bg .cq-cta-block .cq-cta-block-in .cq-cta-block-txt {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: #4a4a4a;
}

@media (max-width: 1024px) {
  .cq-cta-block-bg .cq-cta-block .cq-cta-block-in .cq-cta-block-txt {
    padding-bottom: 10px;
    text-align: center;
  }
}

.cq-cta-block-bg .cq-cta-block .cq-cta-block-in .cq-cta-block-txt span {
  font-weight: bold;
}

.cq-cta-block-bg .cq-cta-block .cq-cta-block-in .cq-cta-block-btn a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  font-size: 20px;
  font-weight: bold;
  width: 250px;
  height: 70px;
  border-radius: 4px;
  background-color: #0e7dbf;
  color: #ffffff;
}

@media (max-width: 1024px) {
  .cq-cta-block-bg .cq-cta-block .cq-cta-block-in .cq-cta-block-btn a {
    height: 58px;
    width: 180px;
    font-weight: 500;
  }
}

.kg-embed-card {
  position: relative;
  padding-bottom: 56.25%;
  /* proportion value to aspect ratio 16:9 (9 / 16 = 0.5625 or 56.25%) */
  height: 0;
  overflow: hidden;
}

.kg-embed-card iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* autor info after post */
.after_post_author {
  border-top: 1px solid #e0e0e0;
  background-color: #f7f7f7;
}

.after_post_author .author-card {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: start;
  margin-top: 10px;
  padding-left: 10px;
}

@media (max-width: 640px) {
  .after_post_author .author-card {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}

.after_post_author .author-card .author-avatar {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: auto;
  height: auto;
}

.after_post_author .author-card .author-avatar .author-profile-image {
  border-radius: 0;
  width: auto !important;
  height: 125px !important;
}

@media (max-width: 767px) {
  .after_post_author .author-card .author-avatar .author-profile-image {
    width: 125px !important;
  }
}

.after_post_author .author-card .author-info {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}

@media (max-width: 640px) {
  .after_post_author .author-card .author-info {
    padding-top: 18px;
  }
}

.after_post_author .author-card .author-info .article_by {
  padding-bottom: 16px;
  color: #333333;
}

.after_post_author .author-card .author-info .after_post_author_name {
  font-size: 26px;
  font-weight: 600;
  padding-bottom: 16px;
}

.after_post_author .author-card .author-info .after_post_author_name a {
  color: #333333;
}

.after_post_author .author-card .author-info .author_bio_info {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.2;
  color: #333333;
}

.after_post_author .author-card .author-info .author_social_link {
  padding-top: 8px;
}

.after_post_author .author-card .author-info .author_social_link a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: start;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 18px;
  font-weight: 500;
  color: #a0a0a0;
}

.after_post_author .author-card .author-info .author_social_link a span {
  padding-right: 8px;
  line-height: 16px;
  display: inline-block;
  height: 16px;
}

.after_post_author .author-card .author-info .author_social_link a span:nth-child(2n) {
  padding-top: 2px;
}

.after_post_author .author-card .author-info .author_social_link a span img {
  height: 16px;
  width: 16px;
}

.after_post_author .author-card .author-info .author_social_link a:hover {
  color: #747474;
}

@media (max-width: 640px) {
  .art_post_content .art_date_card {
    font-size: 10px !important;
  }
}

.author_block {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: start;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
  background-color: #f7f7f7;
}

.author_block .author-profile-image {
  height: 125px !important;
  width: auto !important;
  border-radius: 0;
  padding-right: 18px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.author_block .author-header-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  -ms-flex-item-align: stretch;
      align-self: stretch;
}

.author_block .author-header-content .author-header-content-name {
  font-size: 28px;
  line-height: 28px;
  font-weight: 600;
}

@media (max-width: 992px) {
  .author_block .author-header-content .author-header-content-name {
    line-height: 24px;
    font-size: 24px;
    padding-top: 14px;
  }
}

.author_block .author-header-content .author_bio {
  font-size: 22px;
  font-weight: 400;
}

@media (max-width: 992px) {
  .author_block .author-header-content .author_bio {
    font-size: 20px;
  }
}

.author_block .author-header-content .author-meta {
  padding-top: 12px;
}

.author_block .author-header-content .author-meta .author_social_link a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: start;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 18px;
  font-weight: 500;
  color: #a0a0a0;
}

.author_block .author-header-content .author-meta .author_social_link a span {
  padding-right: 8px;
  line-height: 18px;
  display: inline-block;
  height: 18px;
}

.author_block .author-header-content .author-meta .author_social_link a span:nth-child(2n) {
  padding-top: 2px;
}

.author_block .author-header-content .author-meta .author_social_link a span img {
  height: 18px;
}

.author_block .author-header-content .author-meta .author_social_link a:hover {
  color: #747474;
}

@media (max-width: 992px) {
  .author_block {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: start;
  }
}

.hr_desktop {
  margin-top: 18px;
}

@media (max-width: 1024px) {
  .hr_desktop {
    display: none;
  }
}
/*# sourceMappingURL=style1.css.map */