.w-list-b2b .attributes:after {
  clear: both;
  content:'';
  display:block;
}
.w-list-b2b .mix-attributes {
  clear: both;
}
.w-list-b2b .select-attributes {
  float: left;
  width:47%;
}
.w-list-b2b .select-attributes:nth-child(2n) {
  float: right;
}