.control.tool-button {
    min-width: 24px;
    height: 24px;
    border: 1px solid silver;
    background: none;
    border-radius: 3px;
    transition: all 200ms;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    flex: none;
    fill: #000;
}

.control.tool-button:not([disabled]):hover {
    border-color: gray;
    background: #f0f0f0;
}

.control.tool-button .icon {
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    margin-right: 4px;
    display: none;
}

.control.tool-button .icon.visible {
    width: 12px;
    height: 12px;
    display: block;
    flex: none;
}

.control.tool-button .title {
    font-size: 8pt;
    flex-grow: 2;
}

.control.tool-button .arrow {
    font-size: .5em;
    margin-left: 6px;
    display: none;
    width: 6px;
    height: 4px;
}

.control.tool-button.dropdown .arrow {
    display: block;
}