neptune-explorer/templates/web/css/styles.css

div.indent {
    position: relative;
    left: 20px;
}

.mono {
    font-family: monospace, monospace;
}

.center-text {
    text-align: center;
}

/* Tooltip container */
.tooltip {
    position: relative;
    display: inline-block;
    bottom: 0.1em;
    transition: 0s;
}

/* Tooltip text */
.tooltip .tooltiptext {
    transition-delay: 0.5s;
    top: -5px;
    left: 115%;
    visibility: hidden;
    width: 300px;
    background-color: white;
    color: rgb(0, 118, 118);
    text-align: center;
    padding: 5px;
    border-radius: 6px;
    border: solid 1px rgb(1, 220, 220);

    /* Position the tooltip text - see examples below! */
    position: absolute;
    z-index: 1;
}

/* adds a speech-bubble thingy at top-left of tooltip */
.tooltip .tooltiptext::after {
    content: " ";
    position: absolute;
    top: 20px;
    right: 100%;
    /* To the left of the tooltip */
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent rgb(1, 220, 220) transparent transparent;
}

/* Show the tooltip text when you mouse over the tooltip container */
.tooltip:hover .tooltiptext {
    visibility: visible;
}

.tooltip:hover {
    cursor: help;
}