body {
    font-family: Avenir, Helvetica, Arial, sans-serif;
    color: #2c3e50;
}

pre {
    padding-bottom: 0px;
    margin-bottom: 0px;
}

.clickable {
    cursor: pointer;
}

.pulse {
    animation: pulse 2s linear infinite
}

@keyframes pulse {
    0%   {box-shadow: 0 0 0 0 #0d6efd}
    40%  {box-shadow: 0 0 0 10px #0d6efd00}
    80%  {box-shadow: 0 0 0 10px #0d6efd00}
    100% {box-shadow: 0 0 0 0 #0d6efd00}
}