body {
    padding-top: 5px;
}

.position_middle {
    vertical-align: middle !important;
}

th {
    border-top: 1px solid #ddd !important;
    background-color: #dfeffc;
    color: #666;
}

text-center {
    text-align: center !important;
}

.hr {
    border-top: 1px solid #ddd !important;
}

.fixed {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10000;
}