elemento {
  width: 1800px;
}
.swiper-container-autoheight, .swiper-container-autoheight .swiper-slide {
  height: auto;
}
.swiper-container-autoheight, .swiper-container-autoheight .swiper-slide {
  height: auto;
}
.swiper-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
  transition-property: transform;
}

.obj_issue_toc .sections:not(:first-child) {
    margin-top:-3.000rem;
}

  @media (min-width: 992px)
.obj_issue_toc .galleys, .obj_issue_toc .section {
  margin: 2.143rem-2.143rem;
}

  @media (min-width: 768px)
 .obj_issue_toc .section_.obj_issue_toc .cover img {
  /* display: none;*/
}

/* breadcums */
.cmp_breadcrumbs {
    width: 100%;
    padding: 0 12px;
    background: #f2f2f2;
    margin-top: 8px;
   border-radius: 5px;
}

.cmp_breadcrumbs ol {
    margin: 0 auto;
}


/* borde redondos */
.pkp_site_nav_menu {
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}

/* fondo body */
.pkp_structure_content {
    background-color: #fff;
     padding-top: 1rem;
}

/* fondo de la página */
html, body {
    background: #EEF7FF;
}

/* mover el h1 mas abajo */
.pkp_structure_main .page h1 {
    margin-top: 10px;
}

.obj_issue_toc .heading .description {
    display: none;
}

@media (min-width: 992px) {
.pkp_site_name_wrapper {
    height: 250px;
}
 
.pkp_site_name {
    display: none;
}
.pkp_structure_footer_wrapper {
    background: #2270B4;
    color: #FFFFFF;
}

.obj_issue_toc .cover img {
    border-style: ridge;
}

@media (min-width: 992px) {
.pkp_structure_footer_wrapper a {
    color: #FFFFFF;
}

.pkp_brand_footer img {
    height: 15px;
   display: none;
}

.pkp_brand_footer {
    padding: 0.5rem;
}

@media (max-width: 992px) {
	.journal-description,
	.entidades {
		width: 100%;
		float: none;
	}
	#footer-left,
	#footer-center,
	#footer-right {
		float: none;
		margin-left: 0px;
		margin-top: 20px;
		width: 100%;
	}
	.info-footer,
	.logo-footer {
	    text-align: center;
	    margin-top: 20px;
	}
	.logo-footer img {
		display: none;
	}

li.locale_es_ES:before {
    content: "";
    background-image: url(https://www.vivatacademia.net/index.php/vivat/libraryFiles/downloadPublic/96);
    width: 30px;
    height: 25px;
    vertical-align: middle;
    display: inline-block;
}

li.locale_en_US:before {
    content: "";
    background-image: url(https://www.vivatacademia.net/index.php/vivat/libraryFiles/downloadPublic/97);
    width: 30px;
    height: 25px;
    vertical-align: middle;
    display: inline-block;
}

elemento {
}

.pkp_block {
  padding: 0.43rem 1.43rem;
  font-size: 1rem;
  line-height: 1.33rem;
}

.pkp_block {
  font-size: 1rem;
  line-height: 1.33rem;
}

.container iframe {
     height: 400px !important;
}

@media (max-width: 768px) {
    .container iframe {
         height: 45vw !important;
    }
}

<style>  
      .container iframe {
          height: 45vw !important;
      }

@media (min-width: 768px) {
    .container iframe {
        height: 400px !important;
    }
}
</style>

/* Start: Video Responsive */
.video-responsive {
    overflow:hidden;
    padding-bottom:400px; /* Adecua este valor para controlar la altura del video */
    position:relative;
    height:0;
}
.video-responsive iframe{
    left:0;
    top:0;
    height:100%;
    width:100%;
    position:absolute;
}
/* End: Video Responsive */

li.locale_es_ES:before {
    content: "";
    background-image: url(https://www.vivatacademia.net/index.php/vivat/libraryFiles/downloadPublic/96);
    width: 30px;
    height: 25px;
    vertical-align: middle;
    display: inline-block;
}

li.locale_en_US:before {
    content: "";
    background-image: url(https://www.vivatacademia.net/index.php/vivat/libraryFiles/downloadPublic/97);
    width: 30px;
    height: 25px;
    vertical-align: middle;
    display: inline-block;
}