.layer-values {
    position: absolute;
    left: 50%;
    top: 30%;
}

.cross {
    display: block;
    position: relative;
    width: 1em;
    height: 1em;    
    left: -0.5em;
    top: -0.5em;
}

.values-container {
    position: relative;
    background-color: white;
    left: calc( 1em - 1px);
    top: -1.3em;
    min-width: 15em;
}

.value-list {
    list-style: none;
}

.pointer {
    position: relative;
    width: 0px;
    height: 0px;
    left: 0.5em;
    border-top: 0.5em solid transparent;
    border-bottom: 0.5em solid transparent;
    border-right: 0.5em solid  black;
}