.flex {
    display: flex;
}

.flex-rows {
    -ms-flex-direction: row;
    -webkit-flex-direction: row;
    flex-direction: row;
    justify-content: flex-start;
}

.flex-rows-reverse {
    -ms-flex-direction: row-reverse;
    -webkit-flex-direction: row-reverse;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.flex-columns {
   -ms-flex-direction: column;
    -webkit-flex-direction: column;
    flex-direction: column;
}

.flex-columns-reverse {
       -ms-flex-direction: column-reverse;
    -webkit-flex-direction: column-reverse;
    flex-direction: column-reverse;
}

.flex-wrap {
    -ms-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

.flex-nowrap {
    -ms-flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
}

.flex-center {
    align-items: center;
    align-self: center;
    justify-content: center;
}

.flex-stretch {
    align-items: stretch;
    align-self: stretch;
}

.flex-start {
    align-items: flex-start;
}

.flex-end {
    align-items: flex-end;
    align-self: flex-end;
    justify-content: flex-end;
}

.flex-center-content {
    justify-content: center;
}

.flex-spacearound-content {
    justify-content: space-around;
}

.flex-spacebetween-content {
    justify-content: space-between;
}

.flex-end-content {
    justify-content: flex-end;
}

.flex-size-point5 {
    -ms-flex: 0.5;
    -webkit-flex: 0.5;
    flex: 0.5;
}

.flex-size-1 {
    -ms-flex: 1;
    -webkit-flex: 1;
    flex: 1;
}

.flex-size-2 {
    -ms-flex: 2;
    -webkit-flex: 2;
    flex: 2;
}

.flex-size-3 {
    -ms-flex: 3;
    -webkit-flex: 3;
    flex: 3;
}

.flex-size-4 {
    -ms-flex: 4;
    -webkit-flex: 4;
    flex: 4;
}

.flex-size-5 {
    -ms-flex: 5;
    -webkit-flex: 5;
    flex: 5;
}

.flex-size-6 {
    -ms-flex: 6;
    -webkit-flex: 6;
    flex: 6;
}

.flex-thumbnails {
    display: flex;
    -ms-flex-direction: row;
    -webkit-flex-direction: row;
    flex-direction: row;
    justify-content: flex-start;
    -ms-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;

}