.t-slds__arrow {
  width: 36px;
  height: 36px;
  background: #ffffffa1;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.t-slds__arrow:hover {
  background: #fff;
}

.t-feed__post-popup__cover-wrapper .t-slds__arrow_body {
  width: 10px!important;
}