* {
    margin: 0px;
    padding: 0px;
    overflow: hidden;

    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
}

.trace {
    position: absolute;
    border: 1px solid black;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    background-color: #DDD;
    cursor: default;
    line-height: 20px;
    height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.trace.Modules {
    background-color: #BFF;
}
.trace.Runtime {
    background-color: #FFB;
}
.trace:hover {
    background-color: #FFF;
    border-color: orange;
    z-index: 1;
    box-shadow: 0px 1px 5px black;
}