.support-source-tab-panel-tools {
    background-color: #f0f0f0;
    padding: 0.75em 1em;
}

.support-source-tab-panel-tools .tool {
    display: inline-block;
    margin-left: 0.5em;
}

.support-source-tab-panel-tools {
    background-color: #f0f0f0;
    padding: 0.75em 1em;
    border-radius: 0px 0px 6px 6px;
}

.support-source-tab-panel-tools .tool {
    display: inline-block;
    margin-left: 0.5em;
}

Set border radius for selection tools
Set border radius for selection tools
