.aw3-multicolumn{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.aw3-multicolumn .aw3-col{
  flex: 1 1 400px;
  //padding: 1rem;

}

.aw3-multicolumn.aw3-one-third-two-thirds .aw3-col.aw3-col1{
  flex: 1 1 260px;
}
.aw3-multicolumn.aw3-one-third-two-thirds .aw3-col.aw3-col2{
  flex: 1 1 540px;
}

.aw3-multicolumn.aw3-two-thirds-one-third .aw3-col.aw3-col1{
  flex: 1 1 540px;
}
.aw3-multicolumn.aw3-two-thirds-one-third .aw3-col.aw3-col2{
  flex: 1 1 260px;
}
.aw3-multicolumn.aw3-one-quarter-three-quarters .aw3-col.aw3-col1,
.aw3-multicolumn.aw3-three-quarters-one-quarter .aw3-col.aw3-col2,
.aw3-multicolumn.aw3-three-quarter-one-quarters .aw3-col.aw3-col2{
  flex: 1 1 200px;
}
.aw3-multicolumn.aw3-one-quarter-three-quarters .aw3-col.aw3-col2,
.aw3-multicolumn.aw3-three-quarters-one-quarter .aw3-col.aw3-col1,
.aw3-multicolumn.aw3-three-quarter-one-quarters .aw3-col.aw3-col1{
  flex: 1 1 600px;
}

 aw3-three-quarter-one-quarters