body {
    background-color: #eee;
}

#connected_box {
    position: absolute;
    top: 5%;
    right: 5%;
    width: 5%;
    height: 5%;
}

#free_ports,
#last_change {
    display: inline-block;
}

#free_ports {
    margin-right: 10%;
}

th {
    cursor: pointer;
}

td,
th {
    border: 1px solid black;
    padding: 0.5em;
}

table {
    border-spacing: 0;
}

th::after {
    font-family: monospace;
    padding-left: 3px;
}

th:not(.sort)::after {
    content: "\a0";
}

.sort-up::after {
    content: "\25b2";
}

.sort-down::after {
    content: "\25bc";
}

.number {
    text-align: right;
}

.text {
    text-align: left;
}

.visible {
    opacity: 1;
    transition: opacity 500ms linear;
}

.hidden {
    opacity: 0.2;
    transition: opacity 6000ms linear;
}