Hydro/packages/ui-default/pages/problem_edit.page.styl

.page--problem_edit,.page--problem_create
  .section__tab-header-item
    border-top: 3px solid transparent;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    margin-right: 0

    &:hover
      border-color: #5f9fd6;
      background: #f8f8f8;
    
    &.tab--active
      border-color: #ed5f82;

  .problem-sidebar-additional_file
    height: 270px
    overflow-y: auto

    .col--size
      width: 80px
    .col--operation
      width: 40px