@-webkit-keyframes flash {
    0% {
        background-color: #FAF7E7;
        opacity:1;
    }
    20% {
        background-color: #FAF7E7;
    }
    100% {
        background-color: #4E3E41;
    }
}

.flash{
  -webkit-animation-name: flash;
    -webkit-animation-duration: 250ms;
    -webkit-animation-iteration-count: 1;
    -webkit-animation-timing-function: linear;
  -moz-animation-name: flash;
    -moz-animation-duration: 250ms;
    -moz-animation-iteration-count: 1;
    -moz-animation-timing-function: linear;
}