.button {
      display: inline-block;
      position: relative;
      height: 32px;
      line-height: 32px;
      border-radius: 2px;
      font-size: 14px;
      background: #fff;
      color: #646464;
    cursor: pointer;
    text-decoration: none;
    }
    
    .button > paper-ripple {
      border-radius: 2px;
      overflow: hidden;
    }
    
    .button.narrow {
      width: 60px;
    }
    
    .button.grey {
      background-color: #eee;
    }
    
    .button.blue {
      background-color: #4285f4;
      color: #fff;
    }
    
    .button.green {
      background-color: #4CAF50;
      color: #fff;
    }

    .button.red {
        background-color: #EF5350;
        color: #fff;
    }
    
    .button.raised {
      transition: box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      transition-delay: 0.2s;
      box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
    }
    
    .button.raised:active {
      box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2);
      transition-delay: 0s;
    }

    .icon-button {
      position: relative;
      display: inline-block;
      width: 56px;
      height: 56px;
    }
    
    .icon-button > core-icon {
      margin: 16px;
      transition: -webkit-transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .icon-button:hover > core-icon {
      -webkit-transform: scale(1.2);
      transform: scale(1.2);
    }
    
    .icon-button > paper-ripple {
      overflow: hidden;
      color: #646464;
    }
    
    .icon-button.red > core-icon::shadow path {
      fill: #db4437;
    }
    
    .icon-button.red > paper-ripple {
      color: #db4437;
    }
    
    .icon-button.blue > core-icon::shadow path {
      fill: #4285f4;
    }
    
    .icon-button.blue > paper-ripple {
      color: #4285f4;
    }

.center {
      text-align: center;
    }
    
    .label {
      padding: 0 16px;
    }
    
    .label-blue {
      color: #4285f4; 
    }
    
    .label-red {
      color: #d23f31; 
    }