.flex {
  display: flex;
  display: -webkit-flex;
}
.flex-column{
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
}
.flex-column-reverse{
  display: flex;
  display: -webkit-flex;
  flex-direction: column-reverse;
}
.flex-row{
  display: flex;
  display: -webkit-flex;
  flex-direction: row;
}
.flex-row-reverse{
  display: flex;
  display: -webkit-flex;
  flex-direction: row-reverse;
}
.flex-warp{
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
}
.flex-warp-reverse{
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap-reverse;
}
.flex-between{
  display: -webkit-flex;
  display: flex;
  justify-content: space-between;
}
.flex-start{
  display: flex;
  display: -webkit-flex;
  justify-content: start;
}
.flex-end{
  display: flex;
  display: -webkit-flex;
  justify-content: end;
}
.flex-center {
  display: -webkit-flex;
  display: flex;
  justify-content: center;
}
.flex-spacebetween{
  display: -webkit-flex;
  display: flex;
  justify-content: space-between;
}
.flex-spacearound{
  display: -webkit-flex;
  display: flex;
  justify-content: space-around;
}
.aligncenter{
  display: -webkit-flex;
  display: flex;
  align-items: center;
}
.alignstart{
  display: -webkit-flex;
  display: flex;
  align-items: flex-start;
}
.alignend{
  display: -webkit-flex;
  display: flex;
  align-items: flex-end;
}