text: import {css} from '../vendor/lit-element/lit-element.js'
  import colorscss from './colors.css.js'
  
  const cssStr = css`
  ${colorscss}
  
  button {
    background: var(--button-background);
    color: var(--button-color);
    border: 1px solid var(--button-border-color);
    border-radius: 3px;
    box-shadow: 0 1px 1px rgba(0,0,0,.05);
    padding: 5px 10px;
    outline: 0;
    cursor: pointer;
  }
  
  button:hover {
    background: var(--button-background--hover);
    color: var(--button-color--hover);
  }
  
  button:active {
    background: var(--button-background--hover);
    color: var(--button-color--hover);
  }
  
  button.big {
    padding: 6px 12px;
  }
  
  button.block {
    display: block;
    width: 100%;
  }
  
  button.pressed {
    box-shadow: inset 0 1px 1px rgba(0,0,0,.5);
    background: #6d6d79;
    color: rgba(255,255,255,1);
    border-color: transparent;
    border-radius: 4px;
  }
  
  button.primary {
    background: var(--button-background--primary);
    color: var(--button-color--primary);
    border-color: var(--button-border-color--primary);
    box-shadow: 0 1px 1px rgba(0,0,0,.1);
  }
  
  button.primary:hover {
    background: var(--button-background--primary--hover);
    color: var(--button-color--primary--hover);
  }
  
  button.gray {
    background: #fafafa;
  }
  
  button.gray:hover {
    background: #f5f5f5;
  }
  
  button[disabled] {
    border-color: var(--border-color);
    background: #fff;
    color: #999;
    cursor: default;
  }
  
  button.rounded {
    border-radius: 16px;
  }
  
  button.flat {
    box-shadow: none; 
  }
  
  button.noborder {
    border-color: transparent;
  }
  
  button.transparent {
    background: transparent;
    border-color: transparent;
    box-shadow: none; 
  }
  
  button.transparent:hover {
    background: #f5f5fa;
  }
  
  button.transparent.pressed {
    background: rgba(0,0,0,.1);
    box-shadow: inset 0 1px 2px rgba(0,0,0,.25);
    color: inherit;
  }
  
  .radio-group button {
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  
  .radio-group button.pressed {
    background: #6d6d79;
    border-radius: 30px;
  }
  
  .btn-group {
    display: inline-flex;
  }
  
  .btn-group button {
    border-radius: 0;
    border-right-width: 0;
  }
  
  .btn-group button:first-child {
    border-top-left-radius: 3px;
    border-bottom-left-radius: 3px;
  }
  
  .btn-group button:last-child {
    border-top-right-radius: 3px;
    border-bottom-right-radius: 3px;
    border-right-width: 1px;
  }
  
  .btn-group.rounded button:first-child {
    border-top-left-radius: 14px;
    border-bottom-left-radius: 14px;
    padding-left: 14px;
  }
  
  .btn-group.rounded button:last-child {
    border-top-right-radius: 14px;
    border-bottom-right-radius: 14px;
    padding-right: 14px;
  }
  `
  export default cssStr
  