header {
  width:33% order:1;}
  .blue{ width:33% order:2;}
.yellow { width: 33% order:3;}
.white{ width:33% order:4;}
.darkblue { width: 33% order:5;}
.red { width: 33% order:6;}
.grey{ width:33% order:7;}
.blue { width: 33% order:8;}
.lightblue {width: 33% order:9;}

.container{
  display: flex;
  flex-wrap: wrap;

}
.box{
  height: 100px
    text: center;
  width:100%
}