radare/radare2-webui

nav.context-menu {
    display: none;
    position: absolute;
    z-index: 10;
    background: rgb(255,255,255);
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 2px;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

nav.context-menu.active {
    display: block;
}

nav.context-menu ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

nav.context-menu ul li {
    display:block;
    line-height:22px;
    padding:5px 20px;
    border-bottom:1px solid #E0E0E0;
}

nav.context-menu ul li.disabled {
    color: #A0A0A0;
}

nav.context-menu ul > li > ul {
    display: none;
    z-index: 10;
    position: absolute;
    background:white;
    border-radius: 2px;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

nav.context-menu ul > li > ul > li {
    line-height:18px;
    font-size:85%;
    padding:2px 10px;
}

nav.context-menu ul > li.subactive > ul {
    display: block;
    width:180px;
}

nav.context-menu ul li:hover, nav.context-menu ul > li.subactive > ul > li:hover {
    background-color:#CCCCCC;
    cursor:pointer;
}