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mardi
Je pense avoir déjà proposé ce code mais puisque qu'une visiteuse me le demande: le voici en 60vw/69vh, soit 60% de la largeur de votre écran; j'espère que cela correspond à la largeur de votre zone article.
Remplacez mes adresses-images en bleu, par les vôtres, quelles que soient leur dimensions mais au arion 16/9.
Survolez chaque vignette.
<div style="width: 60vw; height: 69vh; margin: 1vw auto; border: 0.6vh ridge white; background: url('http://ekladata.com/IRpn3dv41rKXR3tiAycQMxD3Yeo.jpg'); background-size: 60vw 69vw;">
<p id="z0">Survolez chaque vignette.</p>
<p id="z1"> </p>
<p id="z2"> </p>
<p id="z3"> </p>
<p id="z4"> </p>
<p id="z5"> </p>
<p id="z6"> </p>
<p id="z7"> </p>
<p id="z8"> </p>
</div>
<style><!--
#z0{position:absolute; z-index:1; width:35vw; text-align:center; transform:translate(10vw,5vw); font-size:2vw; color:white; text-shadow:0.1vw 0.1vw black;}
#z1{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:0.3vh 0.3vh black; background:url('http://ekladata.com/t03dZpIbaQlTuyOZSihjHCNly-A.jpg'); background-size:60vw 69vh; background-position:0% 12%; transform:translate(0vw,5vh); transition:all 1s linear;}
#z2{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:0.3vh 0.3vh black; background:url('http://ekladata.com/GMOPvNFwjptzAX8oEEpAMX5z8KI.jpg'); background-size:60vw 69vh; background-position:0% 37%; transform:translate(0vw,20vh); transition:all 1s linear;}
#z3{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:0.3vh 0.3vh black; background:url('http://ekladata.com/l5awJ_EgPXwby1skDriGITggObQ.jpg'); background-size:60vw 69vh; background-position:0% 62%; transform:translate(0vw,35vh); transition:all 1s linear;}
#z4{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:0.3vh 0.3vh black; background:url('http://ekladata.com/1Woff4vffRSXShhujtalcaQTXSE.jpg'); background-size:60vw 69vh; background-position:0% 87%; transform:translate(0vw,50vh); transition:all 1s linear;}
#z5{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:-0.3vh 0.3vh black; background:url('http://ekladata.com/QglFiGXHMsXCgF9RneesI1gvbDU.jpg'); background-size:60vw 69vh; background-position:100% 12%; transform:translate(55.7vw,5vh); transition:all 1s linear;}
#z6{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:-0.3vh 0.3vh black; background:url('http://ekladata.com/anYS7RRMw00AK2A9_grIxu-SmoY.jpg'); background-size:60vw 69vh; background-position:100% 37%; transform:translate(55.7vw,20vh); transition:all 1s linear;}
#z7{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:-0.3vh 0.3vh black; background:url('http://ekladata.com/KQp41D3cFixGojL7Crn2GYV78Uw.jpg'); background-size:60vw 69vh; background-position:100% 62%; transform:translate(55.7vw,35vh); transition:all 1s linear;}
#z8{position:absolute; z-index:1; width:4vw; height:4vw; border:0.3vh solid white; box-shadow:-0.3vh 0.3vh black; background:url('http://ekladata.com/niU4PTEXuaP4Hze2uG0TDbfQKSg.jpg'); background-size:60vw 69vh; background-position:100% 87%; transform:translate(55.7vw,50vh); transition:all 1s linear;}
#z1:hover,#z2:hover,#z3:hover,#z4:hover,#z5:hover,#z6:hover,#z7:hover,#z8:hover{z-index:5;height:69vh; width:60vw; border:none; box-shadow:none;transform:translate(0vw,0vw);}
--></style>