html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.buttons {
  border: 1px solid black;
}

.buttons > tbody > tr > td {
  width: 32px;
  border: 1px solid black;
  text-align: center;
}

th {
  text-align: center;
  background-color: darkgrey;
  padding-left: 5px;
  padding-right: 5px;
  border: solid 1px black;
}

table {
  border: solid 1px black;
}

td {
  border: solid 1px black;
  padding-left: 5px;
  padding-right: 5px;
}