stable-diffusion-webui/html/extra-networks-btn-chevron.html

<div class="tree-list-item-action--chevron {extra_classes}">
    <svg class="chevron-icon-single" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg" fill="none"
        stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
        <path d="M 4 4 H 12 V 12" />
    </svg>
    <svg class="chevron-icon-double" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg" fill="none"
        stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
        <path d="M 5 3 H 13 V 11" />
        <path d="M 1 7 H 9 V 15" />
    </svg>
</div>