@keyframes carry-flash {
  0% {
    background: #ea1212;
    color: #fff;
    box-shadow: 0 0 9px 3px #ffe600, 0 0 3px 1px #fff;
  }
  60% {
    background: #ffe600;
    color: #b00;
    box-shadow: 0 0 14px 7px #fff388, 0 0 5px 3px #ffe600;
  }
  100% {
    background: #ea1212;
    color: #fff;
    box-shadow: 0 0 9px 3px #ffe600, 0 0 3px 1px #fff;
  }
}

.carry-flash {
  animation: carry-flash 1.25s infinite alternate;
  border: 1.3px solid #ffe600;
  box-shadow: 0 0 9px 3px #ffe600, 0 0 3px 1px #fff;
}