.blink {
    /* border: #FF0000 solid 5px !important; */
    border-color: #f00;
    border-style: solid !important;
    border-width: 5px !important;
    -webkit-animation: 0.5s ease-in-out 0s infinite alternate blink;
    -moz-animation:    0.5s ease-in-out 0s infinite alternate blink;
    animation:         0.5s ease-in-out 0s infinite alternate blink;
    /* position: relative; */
    /* z-index: 100; */
    /* background-color: transparent; */
}

@-webkit-keyframes blink {
    0%   { border-color: rgba(255, 0, 0, 1); }
    100% { border-color: rgba(255, 0, 0, 0); }
}

@-moz-keyframes blink {
    0%   { border-color: rgba(255, 0, 0, 1); }
    100% { border-color: rgba(255, 0, 0, 0); }
}

@keyframes blink {
    0%   { border-color: rgba(255, 0, 0, 1); }
    100% { border-color: rgba(255, 0, 0, 0); }
}