body{
caret-color: transparent;
user-select: none;
width: 100%;
min-width: 100%;
display: flex;
flex-direction: column;
padding: 0;
margin: 0;
background: linear-gradient(135deg, #324678, #c0c4c7, #324678, #324678, #c0c4c7, #324678);
min-height: 100vh;
font-family: sans-serif;
}
main {
  min-height: 80vh;
  padding: 2rem 0;
}
.headers-button {
  background-color: rgb(60, 70, 78);
  border-radius: 6px;
  border: 0;
  box-sizing: border-box;
  color: white;
  cursor: pointer;
  height: 40px;
  margin-top: 5px;
  text-align: center;
  width: 14%;
}
.footer{
caret-color: transparent;
user-select: none;
flex-grow: 1;
width: 100%;
display: flex;
align-items: flex-end;  /* Aligne les éléments en bas */
justify-content: flex-start;  /* Aligne les éléments à gauche */
}
.messages-line{
width: 100%;
min-height: 10vh;
display: table;
padding-top: 10px;
}
.messages-container{
border-radius: 10px;
width: 50%;
background: rgba(255, 0, 0, 0.65);
float: left;
min-height: 10vh;
display: table-row;
margin-left: 10px;
}
.messages-container-filler{
width: 50% ;
display: table-row;
}
.hidden {
      display: none;

    }
.vertical {
    display: flex;
    flex-direction: column;
}
.horizontal {
    display: flex;
    flex-direction: row;
}
.centrer{
    justify-content: center; /* horizontal */
    align-items: center;     /* vertical */
}