Redmine

  /* subtasks and related issues list on issue show */

  #issue_tree .issues, #relations .issues {

    border-collapse: separate;

    border-spacing: 0 1em; /* vertical space between tasks */

  }

  #issue_tree .issue > td:not(.checkbox), #relations .issue > td:not(.checkbox) {

    display: block;

    float: left;

    text-align: left;

    padding-right: 5px;

  }

  #issue_tree .issue > td, #relations .issue > td, #issue_tree .issue .user {

    text-overflow: ellipsis; /* if text exceeds its space, add ... */

    overflow: hidden;

  }

  #issue_tree .issue > td.subject, #relations .issue > td.subject {

    width: 100% !important; /* let subject have one full width column */

  }

  #issue_tree .issue > td:not(.checkbox), #relations .issue > td:not(.checkbox) {

    width: 33.33%; /* three columns for all cells that are not subject */

  }

  #relations .issues, #relations .issue {

    position: relative; /* needed for .buttons positioning */

  }

  /* positioniong of unline button */

  #relations .issue > td.buttons {

    text-align: right;

    position: absolute;

    right: 0;

    margin: 0;

    padding-right: 0;

  }

  #relations .issue .buttons a {

    vertical-align: middle;

    padding-right: 5px;

  }

  #relations .issue > td.subject {

    padding-right: 25px; /* this is the spaces that .buttons uses next to subject */

  }