body {
  margin: 0;
  padding: 0;
  height: 7265px;
  background-color: black;
}



.inverse_scroll {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9;
}

.alt-vtl {
  position: relative;
  max-width: 600px;
  margin: -5% auto;
}


.alt-vtl::before {
  content: "";
  width: 5px;
  background-color: #23C9FF;
  position: absolute;
  top: 0; bottom: 0; left: 50%;
}


div.alt-event {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 40px 30px;
  width: 45%;
  margin-bottom: 20px;
  position: relative;
  right: 2px;
}

div.alt-event video{
  margin-left: auto;
  margin-right: auto;
  display: block;
  width: 100%;
}

div.alt-event iframe{
  margin-left: auto;
  margin-right: auto;
  display: block;
  width: 100%;
  border: 0;
}

div.alt-event img{
  margin-left: auto;
  margin-right: auto;
  display: block;
  width: 100%;
}


div.right { left: 329px; }


p.date {
  font-size: 25px;
  font-weight: 700;
  color: #5F4F47;
  margin-top: 0;
}
p.txt {
  margin: 10px 0 0 0;
  color: #222;
}

p.annee_gauche {
  color: #F84AA7;
  font-weight: bolder;
  margin: 0 0 0 130px;
  font-size: 50px;
  font-weight: bold;
}

p.annee_droite {
  color: #F84AA7;
  font-weight: bolder;
  margin: 0 0 0 360px;
  font-size: 50px;
  font-weight: bold;
}

p.annee_speciale {
  color: #F84AA7;
  font-weight: bolder;
  margin: 0 0 0 -60px;
  font-size: 50px;
}


div.alt-event::before, div.alt-event.right::before {
  content: "";
  border: 10px solid transparent;
  position: absolute;
}


div.alt-event::before {
  border-left-color: #dbf0ff;
  border-right: 0;
  left: 100%; top: 20%;
}


div.alt-event.right::before {
  border-right-color: #dbf0ff;
  border-left: 0;
  left: auto; right: 100%; top: 20%;
}


div.alt-event::after, div.alt-event.right::after {
  content: "";
  background: black;
  border: 5px solid #23C9FF;
  width: 16px; height: 16px;
  border-radius: 50%;
  position: absolute;
}

div.alt-event::after { top: 20%; left: 108%; }

div.alt-event.right::after { top: 20%; left: auto; right: 105%; }

details {
    border: 1px solid #aaa;
    border-radius: 4px;
    padding: .5em .5em 0;
    color: black !important;
}

summary {
    font-weight: bold;
    margin: -.5em -.5em 0;
    padding: .5em;
    color: black !important;

}


details[open] {
    padding: .5em;
    color: black !important;
}

details[open] summary {
    border-bottom: 1px solid #aaa;
    margin-bottom: .5em;
    color: black !important;
}


div.bas-page {
  bottom: 0;
  display: flex;
  flex-direction: row;
  background-color: black;
  justify-content: space-around;
  z-index: 999;
}

.navfooter{
padding-top: 30px;
color: gray;
width: fit-content;
z-index: 999;

}

.bas-page p{
    padding-top: 30px;
    width: fit-content;
    color: gray;
    z-index: 1;
}

.bas-page img {
    padding-top: 10px;
    padding-bottom: 10px;
    width: 8%;
    z-index: 1;
}