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.container {position:relative; width:90%; margin:auto;}
.imgfond {width:100%; height:auto;}
.retour {position:absolute; left:50%; transform:translateX(-50%); width:15%;}
.usa2017 {position:absolute; top:20%; left:75%; width:5%; height:auto;}
.usa2018 {position:absolute; top:42%; left:25%; width:5%; height:auto;}
.usa2019-1 {position:absolute; top:24%; left:84%; width:5%; height:auto;}
.giffg {position:absolute; top:29%; left:80%; width:7%; height:auto;}
.usa2019-2 {position:absolute; top:31%; left:2%; width:7%; height:auto;}
.giffd {position:absolute; top:38%; left:5%; width:7%; height:auto;}
.usa2020 {position:absolute; top:15%; left:90%; width:8%; height:auto;}
.gifconf {position:absolute; top:18%; left:90%; width:8%; height:auto;}
.usa2022 {position:absolute; top:52%; left:40%; width:5%; height:auto;}
.usa2023 {position:absolute; top:61%; left:59%; width:5%; height:auto;}
.usa2024 {position:absolute; top:22%; left:45%; width:5%; height:auto;}
.usa2025 {position:absolute; top:17%; left:22%; width:5%; height:auto;}