.sterling-tree {
  background-color: var(--stsv-common__background-color);
  border-color: var(--stsv-common__border-color);
  border-radius: 0;
  border-style: solid;
  border-width: var(--stsv-common__border-width);
  box-sizing: border-box;
  color: var(--stsv-common__color);
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  transition:
    background-color 250ms,
    color 250ms,
    border-color 250ms;
}

.sterling-tree:not(.disabled):hover {
  border-color: var(--stsv-input__border-color--hover);
  color: var(--stsv-input__color--hover);
}

.sterling-tree:not(.disabled).using-keyboard:focus-within {
  border-color: var(--stsv-button__border-color--focus);
  color: var(--stsv-input__color--focus);
  outline-color: var(--stsv-common__outline-color);
  outline-offset: 0;
  outline-style: solid;
  outline-width: var(--stsv-common__outline-width);
}

/* ----- container - a layout panel that grows with the items ----- */

.sterling-tree .container {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  position: relative;
}

/* ----- media queries ----- */

@media (prefers-reduced-motion) {
  .sterling-tree,
  .sterling-tree .container::after {
    transition: none;
  }
}