#contextMenu {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-flow: column;

    border: 1px solid rgba(0,0,0,0.15);
    border-radius:2px;
    box-shadow:0 1px 1px 1px rgba(0,0,0,0.05);
    padding: 10px 15px;

    background: #f8f8f8;
    visibility: hidden;
}
#contextMenu span {
        cursor: pointer;
        font-size: 14px;
        line-height: 26px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
}

#contextMenu img {
    left: 0;
    margin-right: 10px;
    height:20px;
    width:20px;
}

#contextMenu {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-flow: column;
    border-radius:5px;
    box-shadow:0 1px 11px 0px rgba(0,0,0,0.2), 0px 0px 0px 0.5px #AAAAAA inset;
    padding: 4.5px 0px;

    background: #f0f0f0;
    visibility: hidden;
}
#contextMenu span {
    padding: 0 15px 0px;
        cursor: pointer;
        font-size: 14.5px;
        line-height: 19px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        color: #3E3E3E;
        font-family: Helvetica,Arial,sans-serif;
        font-weight: 500;
}

#contextMenu span:hover {
    background: #689afb;
    color: white;
}

#contextMenu img {
    left: 0;
    margin-right: 10px;
    height:20px;
    width:20px;
}

Improve styling of the context menu to match chrome's context menu
Improve styling of the context menu to match chrome's context menu
