.icon, .icon-small, .icon-medium, .icon-large, .icon-lowopacity, .icon-mediumopacity, .icon-nf, .icon-np {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    cursor: pointer;
}
.icon-small {
    width: 12px !important;
    height: 12px !important;
}
.icon-medium {
    width: 15px !important;
    height: 15px !important;
}
.icon-large {
    width: 25px !important;
    height: 25px !important;
}
.icon-lowopacity {
    opacity: 0.60;
}
.icon-mediumopacity {
    opacity: 0.55;
}
.icon-lowopacity:hover, .icon-mediumopacity:hover {
    opacity: 1;
}
/* icon with no pointer */
.icon-np {
    cursor: default;
}
.icon-copy {
    height: 13px;
}
.icon-copy-top-right {
    position: absolute;
    height: 18px;
    top: 8px;
    right: 8px;
}