@dropdown-prefix-cls: ~"@{css-prefix}dropdown"; @dropdown-item-prefix-cls: ~"@{dropdown-prefix-cls}-item"; .@{dropdown-prefix-cls} { display: inline-block; position: relative; .@{select-dropdown-prefix-cls} { overflow: visible; } .@{dropdown-prefix-cls} { width: 100%; } &-rel{ display: inline-block; } &-menu{ min-width: 100px; } } .select-item(@dropdown-prefix-cls, @dropdown-item-prefix-cls);