:root {
    --small-sidebar-width: 60px;
}
html {
    height:100%;
}
body {
    padding-top: 80px;
    height:100%;
}

.blink {
    animation: blinker 1.5s cubic-bezier(.5, 0, 1, 1) infinite alternate;  
}

@keyframes blinker {  
  from { opacity: 1; }
  to { opacity: 0; }
}