.flex-header {
  display: flex;
}

.logo {
  align-self: center;
  flex-grow: 20;
}

.logo_name {
  flex-grow: 20;
  align-self: center;
}

.index_item {
  flex-grow: 2;
  align-self: center;
}

.menu_cta {
  align-self: center;
}


/* Mobile */
@media screen and (max-width: 575px){

.project_1, .project_2, .project_2_bis, .project_3, .project_4 {
display: flex;
flex-direction: column;
}