| @btn-prefix-cls: ~"@{css-prefix}btn"; | 
|   | 
| .@{btn-prefix-cls} { | 
|     .btn; | 
|     .btn-default; | 
|   | 
|     &-long{ | 
|         width: 100%; | 
|     } | 
|   | 
|     & > .ivu-icon + span, & > span + .ivu-icon{ | 
|         margin-left: 4px; | 
|     } | 
|   | 
|     &-primary { | 
|         .btn-primary; | 
|   | 
|         .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:not(:first-child):not(:last-child) { | 
|             border-right-color: @btn-group-border; | 
|             border-left-color: @btn-group-border; | 
|         } | 
|   | 
|         .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:first-child { | 
|             &:not(:last-child) { | 
|                 border-right-color: @btn-group-border; | 
|                 &[disabled] { | 
|                     border-right-color: @btn-default-border; | 
|                 } | 
|             } | 
|         } | 
|   | 
|         .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) &:last-child:not(:first-child), | 
|         .@{btn-prefix-cls}-group:not(.@{btn-prefix-cls}-group-vertical) & + .@{btn-prefix-cls} { | 
|             border-left-color: @btn-group-border; | 
|             &[disabled] { | 
|                 border-left-color: @btn-default-border; | 
|             } | 
|         } | 
|   | 
|         .@{btn-prefix-cls}-group-vertical &:not(:first-child):not(:last-child) { | 
|             border-top-color: @btn-group-border; | 
|             border-bottom-color: @btn-group-border; | 
|         } | 
|   | 
|         .@{btn-prefix-cls}-group-vertical &:first-child { | 
|             &:not(:last-child) { | 
|                 border-bottom-color: @btn-group-border; | 
|                 &[disabled] { | 
|                     border-top-color: @btn-default-border; | 
|                 } | 
|             } | 
|         } | 
|   | 
|         .@{btn-prefix-cls}-group-vertical &:last-child:not(:first-child), | 
|         .@{btn-prefix-cls}-group-vertical & + .@{btn-prefix-cls} { | 
|             border-top-color: @btn-group-border; | 
|             &[disabled] { | 
|                 border-bottom-color: @btn-default-border; | 
|             } | 
|         } | 
|     } | 
|   | 
|     //&-ghost { | 
|     //    .btn-ghost; | 
|     //} | 
|   | 
|     &-dashed{ | 
|         .btn-dashed; | 
|     } | 
|   | 
|     &-text{ | 
|         .btn-text; | 
|     } | 
|   | 
|     &-success { | 
|         .btn-color(@success-color); | 
|     } | 
|   | 
|     &-warning { | 
|         .btn-color(@warning-color); | 
|     } | 
|   | 
|     &-error { | 
|         .btn-color(@error-color); | 
|     } | 
|   | 
|     &-info { | 
|         .btn-color(@info-color); | 
|     } | 
|   | 
|     &-circle, | 
|     &-circle-outline { | 
|         .btn-circle(@btn-prefix-cls); | 
|     } | 
|   | 
|     &:before { | 
|         position: absolute; | 
|         top: -1px; | 
|         left: -1px; | 
|         bottom: -1px; | 
|         right: -1px; | 
|         background: #fff; | 
|         opacity: 0.35; | 
|         content: ''; | 
|         border-radius: inherit; | 
|         z-index: 1; | 
|         transition: opacity @transition-time; | 
|         pointer-events: none; | 
|         display: none; | 
|     } | 
|   | 
|     &&-loading { | 
|         pointer-events: none; | 
|         position: relative; | 
|   | 
|         &:before { | 
|             display: block; | 
|         } | 
|     } | 
|   | 
|     &-group { | 
|         .btn-group(@btn-prefix-cls); | 
|     } | 
|   | 
|     &-group-vertical { | 
|         .btn-group-vertical(@btn-prefix-cls); | 
|     } | 
|   | 
|     // The new ghost in 3.0 | 
|     &-ghost{ | 
|         color: #fff; | 
|         background: transparent; | 
|         &:hover{ | 
|             background: transparent; | 
|         } | 
|     } | 
|     &-ghost&-dashed, &-ghost&-default{ | 
|         color: #fff; | 
|         border-color: #fff; | 
|         &:hover{ | 
|             color: tint(@primary-color, 20%); | 
|             border-color: tint(@primary-color, 20%); | 
|         } | 
|     } | 
|     &-ghost&-primary{ | 
|         color: @primary-color; | 
|         &:hover{ | 
|             color: tint(@primary-color, 20%); | 
|             background: fade(tint(@primary-color, 95%), 50%); | 
|         } | 
|     } | 
|     &-ghost&-info{ | 
|         color: @info-color; | 
|         &:hover{ | 
|             color: tint(@info-color, 20%); | 
|             background: fade(tint(@info-color, 95%), 50%); | 
|         } | 
|     } | 
|     &-ghost&-success{ | 
|         color: @success-color; | 
|         &:hover{ | 
|             color: tint(@success-color, 20%); | 
|             background: fade(tint(@success-color, 95%), 50%); | 
|         } | 
|     } | 
|     &-ghost&-warning{ | 
|         color: @warning-color; | 
|         &:hover{ | 
|             color: tint(@warning-color, 20%); | 
|             background: fade(tint(@warning-color, 95%), 50%); | 
|         } | 
|     } | 
|     &-ghost&-error{ | 
|         color: @error-color; | 
|         &:hover{ | 
|             color: tint(@error-color, 20%); | 
|             background: fade(tint(@error-color, 95%), 50%); | 
|         } | 
|     } | 
|   | 
|     &-ghost&-default[disabled], &-ghost&-dashed[disabled], &-ghost&-primary[disabled], &-ghost&-info[disabled], &-ghost&-success[disabled], &-ghost&-warning[disabled], &-ghost&-error[disabled]{ | 
|         background: transparent; | 
|         color: fade(#000, 25%); | 
|         border-color: @btn-disable-border; | 
|     } | 
|     &-ghost&-text[disabled]{ | 
|         background: transparent; | 
|         color: fade(#000, 25%); | 
|     } | 
| } | 
|   | 
| a.@{btn-prefix-cls} { | 
|     padding-top: 0.1px; | 
|     line-height: @btn-height-base - 2px; | 
|   | 
|     &-large { | 
|         line-height: @btn-height-large - 2px; | 
|     } | 
|     &-small { | 
|         line-height: @btn-height-small - 2px; | 
|     } | 
| } |