.listIndices li { display: block; padding: 0; margin: 25px 0; text-align: center; overflow: hidden; }
.listIndices li a { display: block; width: 100%; max-width: 240px; height: 75px; overflow: hidden; margin: 0 auto; background: url(https://revistas.ort.edu.uy/plugins/themes/hSChildAnales/img/sprite_indices2.png) no-repeat center top; background-size: 75% auto; text-indent: -9000px; }
.listIndices li a {  -webkit-filter: grayscale(1); filter: grayscale(1); opacity: .7; transition: .3s; }
.listIndices li a:hover { -webkit-filter: grayscale(0); filter: grayscale(0); opacity: 1; }

.pkp_structure_footer .listIndices { display: flex; flex-wrap: wrap; margin: 0; padding: 0; }
.pkp_structure_footer .listIndices li { flex: 1; min-width: 150px; display: flex; margin: 20px 0 0; align-items: center; }
.pkp_structure_footer .listIndices li a { background: no-repeat center center / contain; }

ul.listIndices .ind_latindex a { height: 50px; background-position: center 0; }
ul.listIndices .ind_scielo a   { height: 73px; background-position: center -100px; }
ul.listIndices .ind_dialnet a  { height: 30px; background-position: center -200px; }
ul.listIndices .ind_redalyc a  { height: 36px; background-position: center -300px; }
ul.listIndices .ind_scholar a  { height: 77px; background-position: center -400px; }
ul.listIndices .ind_timbo a    { height: 39px; background-position: center -500px; }
/*
ul.listIndices .ind_biblio a   { height: 35px; background-position: center -600px; }
ul.listIndices .ind_aura a     { height: 58px; background-position: center -700px; }
ul.listIndices .ind_miar a     { height: 58px; background-position: center -810px; }
ul.listIndices .ind_latinrev a { height: 180px; background-position: center -920px; }
*/
ul.listIndices .ind_arla a     { height: 45px; background-position: center -1200px; }
ul.listIndices .ind_ebsco a    { height: 30px; background-position: center -1300px; }
ul.listIndices .ind_doaj a     { height: 50px; background-position: center -1400px; }
ul.listIndices .ind_pkp a      { height: 30px; background-position: center -1500px; }
ul.listIndices .ind_redib a    { height: 80px; background-position: center -1600px; }
ul.listIndices .ind_erihplus a { height: 50px; background-position: center -1700px; }

ul.listIndices .ind_biblio a   { height: 50px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/bibliotecas-ort-color.png); }
ul.listIndices .ind_aura a     { height: 60px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/aura.png); }
ul.listIndices .ind_miar a     { height: 30px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/miar.png); }
ul.listIndices .ind_latinrev a { height: 100px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/latin-rev.png); }
ul.listIndices .ind_crossref a { height: 80px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/crossref-logo-200.svg); }
ul.listIndices .ind_dora a     { height: 50px; background-image: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/sidebar-banner-dora.png); }

.logoTwitter a { display: block; padding: 5px 0 5px 40px; background: url(https://wwwtest.ort.edu.uy/innovafront/theme/bibliotecas/images/logos/twitter.svg) no-repeat left center / contain; font-size: 1.4em; font-weight: 600; color: rgba(0,0,0,.5); }