@mixin placeholder($color) {
  &::placeholder {
    color: $color;
  }

  // IE
  &:-ms-input-placeholder {
    color: $color;
  }

  // Edge
  &::-ms-input-placeholder {
    color: $color;
  }
}
#cflg-setting {
  input[type="text"] {
    @include placeholder(#ccc);
  }
}

@keyframes cflg-highlight {
  0% {
    background: #fff;
  }
  10% {
    background: #fdfd96;
  }
  80% {
    background: #fdfd96;
  }
  100% {
    background: #fff;
  }
}
.cflg-highlight {
  animation: cflg-highlight 2s ease 0.4s;
}