@charset "utf-8";

body {
margin: 0;
padding: 0;
font-size: 15px;
font-family: Gotham, Helvetica Neue, Helvetica, "Arial", sans-serif; 
font-weight: bold;
border-color: black;
border-width: 5px;
border-style: ;
color: #fffff;
background: #00000;
}
.btn-danger.disabled, .btn-danger:disabled {
    animation-name: animation_blink;
    animation-timing-function: ease-in;
    animation-duration: 2s;
    animation-iteration-count: infinite;
}

@keyframes animation_blink {
    0% { opacity: 1; }
    50% { opacity: 0.1; }
    100% { opacity: 1; }    
}