@keyframes slide-top {
  0% {
    opacity: 0;
    transform: translateY(-5%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-right {
  0% {
    opacity: 0;
    transform: translateX(5%);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-bottom {
  0% {
    opacity: 0;
    transform: translateY(5%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-left {
  0% {
    opacity: 0;
    transform: translateX(-5%);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.o_popover {
  max-width: 100vw;
  position: fixed;
  z-index: 1060;
  border: 1px solid #dee2e6;
  background-color: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.o_popover .o_popover_header {
  background-color: #e9ecef;
  font-size: 1.1rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #dee2e6;
}

.o_popover .o_popover_header:empty {
  display: none;
}

.o_popover--top {
  animation: 0.2s slide-top;
}

.o_popover--top::before, .o_popover--top::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -8px;
  border: 8px solid transparent;
  border-top-color: #e9ecef;
}

.o_popover--top::before {
  margin-top: 1px;
  border-top-color: #dee2e6;
}

.o_popover--right {
  animation: 0.2s slide-right;
}

.o_popover--right::before, .o_popover--right::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 100%;
  margin-top: -8px;
  border: 8px solid transparent;
  border-right-color: #e9ecef;
}

.o_popover--right::before {
  margin-right: 1px;
  border-right-color: #dee2e6;
}

.o_popover--bottom {
  animation: 0.2s slide-bottom;
}

.o_popover--bottom::before, .o_popover--bottom::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -8px;
  border: 8px solid transparent;
  border-bottom-color: #e9ecef;
}

.o_popover--bottom::before {
  margin-bottom: 1px;
  border-bottom-color: #dee2e6;
}

.o_popover--left {
  animation: 0.2s slide-left;
}

.o_popover--left::before, .o_popover--left::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  margin-top: -8px;
  border: 8px solid transparent;
  border-left-color: #e9ecef;
}

.o_popover--left::before {
  margin-left: 1px;
  border-left-color: #dee2e6;
}