.progress__container{
   display: flex;
}

.progress{
   display: inline-block;
   background: #D3D5DF;
   margin: 0 3px;
   width: 31px;
   height: 13px;  
   overflow: hidden;

   &::before{
      content: '';
      display: block;
      width: 31px;
      height: 13px; 
      background: #9BE670;
      position: relative;
      right: 100%;
      transition: right .5s;
   }

   &.complete{
      &::before{
         right: 0%;
      }
   }
}