A CSS userstyle for Pivotal Tracker (http://www.pivotaltracker.com) as a Fluid app (http://fluidapp.com).

Pivotal Tracker Fluid CSS

body * {
    font-family: Helvetica !important;
}

header.main {
	min-width: 0 !important;
	padding-right: 11px !important;
}

.epic_stories .preview .label.epic {
    display: none !important;
}

.my_work .story .name .parens {
    display: none !important;
}

.panel .container {
    border-radius: 3px !important;
}

.story .name .owner {
    text-transform: none !important;
}

.story .name .parens {
    font-size: 12px !important;
}

.story .preview {
    font-size: 14px !important;
    line-height: 1.5 !important;
    padding: 6px 0 !important;
}

.story.feature.estimate_-1 .preview .meta {
    background-image: none !important;
}

.story.feature.estimate_-1 .preview .name {
    font-style: normal !important;
    opacity: 0.5 !important;
}

.story.name .editable .editor {
    font-size: 14px !important;
}

section.main {
    background-color: #fff !important;
    bottom: 5px !important;
    left: 5px !important;
    top: 41px !important;
}

section.project .sidebar, section.workspace .sidebar {
    border-radius: 3px !important;
}