header#cabecera {
	height:230px;
	background:url(../images/capsalera.jpg) left no-repeat;
}
section#gallery a:nth-of-type(1) {background-image:url(../images/amapola.jpg);background-size:100%;}
section#gallery a:nth-of-type(2) {background-image:url(../images/passiflora.jpg);background-size:100%;}
section#gallery a:nth-of-type(3) {background-image:url(../images/surgery-maxilofacialP.jpg);background-size:100%;}
section#gallery a:nth-of-type(4) {background-image:url(../images/dragonfly.jpg);background-size:100%;}
section#gallery a:nth-of-type(5) {background-image:url(../images/sympodus.jpg);background-size:100%;}
section#gallery a:nth-of-type(6) {background-image:url(../images/physiology.jpg);background-size:100%;}
section#gallery a:nth-of-type(7) {background-image:url(../images/geospizasP.jpg);background-size:100%;}
section#gallery a:nth-of-type(8) {background-image:url(../images/pinus.jpg);background-size:100%;}
section#gallery a:nth-of-type(9) {background-image:url(../images/butterflyAbraxasP.jpg);background-size:100%;}
section#gallery a:nth-of-type(10) {background-image:url(../images/emperor.jpg);background-size:100%;}
section#gallery a:nth-of-type(11) {background-image:url(../images/medical-illustrationP.jpg);background-size:100%;}
section#gallery a:nth-of-type(12) {background-image:url(../images/schemaJournalT.jpg);background-size:100%;}
section#gallery a:nth-of-type(13) {background-image:url(../images/trilobites.jpg);background-size:100%;}
section#gallery a:nth-of-type(14) {background-image:url(../images/chinche.jpg);background-size:100%;}
section#gallery a:nth-of-type(15) {background-image:url(../images/dentaduraP.jpg);background-size:100%;}
section#gallery a:nth-of-type(16) {background-image:url(../images/botanical_illustrationG.jpg);background-size:100%;}
section#gallery a:nth-of-type(17) {background-image:url(../images/vertebraP.jpg);background-size:100%;}
section#gallery a:nth-of-type(18) {background-image:url(../images/bandedCentipedeP.jpg);background-size:100%;}
section#gallery a:nth-of-type(19) {background-image:url(../images/insectCamuflageP.jpg);background-size:100%;}
section#gallery a:nth-of-type(20) {background-image:url(../images/evolucio.jpg);background-size:100%;}
section#gallery a:nth-of-type(21) {background-image:url(../images/phantom.jpg);background-size:100%;}
section#gallery a:nth-of-type(22) {background-image:url(../images/ophrysApiferaP.jpg);background-size:100%;}
section#gallery a:nth-of-type(23) {background-image:url(../images/medicalIllustrationP.jpg);background-size:100%;}
section#gallery a:nth-of-type(24) {background-image:url(../images/SweeTaroP.jpg);background-size:100%;}
section#gallery a:nth-of-type(25) {background-image:url(../images/surgical-illustrationG.jpg);background-size:100%;}
section#gallery a:nth-of-type(26) {background-image:url(../images/apnea-2P.png);background-size:100%;}
section#gallery a:nth-of-type(27) {background-image:url(../images/maxilofacial.jpg);background-size:100%;}
section#gallery a:nth-of-type(28) {background-image:url(../images/manualUser.jpg);background-size:100%;}
section#gallery a:nth-of-type(29) {background-image:url(../images/timema.jpg);background-size:100%;}
section#gallery a:nth-of-type(30) {background-image:url(../images/heartP.jpg);background-size:100%;}
section#gallery a:nth-of-type(31) {background-image:url(../images/getOldP.jpg);background-size:100%;}
section#gallery a:nth-of-type(32) {background-image:url(../images/landscape.jpg);background-size:100%;}
section#gallery a:nth-of-type(33) {background-image:url(../images/exoticPlants.jpg);background-size:100%;}
section#gallery a:nth-of-type(34) {background-image:url(../images/medical.jpg);background-size:100%;}
section#gallery a:nth-of-type(35) {background-image:url(../images/deviceP.jpg);background-size:100%;}
section#gallery a:nth-of-type(36) {background-image:url(../images/mrna.jpg);background-size:100%;}