:root {
  --md-admonition-icon--hourglass: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 -960 960 960" fill="black"><path d="M320-160h320v-120q0-66-47-113t-113-47q-66 0-113 47t-47 113v120ZM160-80v-80h80v-120q0-61 28.5-114.5T348-480q-51-32-79.5-85.5T240-680v-120h-80v-80h640v80h-80v120q0 61-28.5 114.5T612-480q51 32 79.5 85.5T720-280v120h80v80H160Z"/></svg>')
}
.md-typeset .admonition.hourglass,
.md-typeset details.hourglass {
  border-color: rgb(43, 155, 70);
}
.md-typeset .hourglass > .admonition-title,
.md-typeset .hourglass > summary {
  background-color: rgba(43, 155, 70, 0.1);
}
.md-typeset .hourglass > .admonition-title::before,
.md-typeset .hourglass > summary::before {
  background-color: rgb(43, 155, 70);
  -webkit-mask-image: var(--md-admonition-icon--hourglass);
          mask-image: var(--md-admonition-icon--hourglass);
}