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;
    height: 100%;
}

html {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    /*display: grid;*/ /*使用grid排版*/
    grid-template-rows: 1fr auto; /*將上半部設置為一個單位，剩下的部分設為自動高度*/
}

.footer {
    grid-row-start: 2; /*欄位從第二條橫線開始*/
    grid-row-end: 3; /*欄位從第三條橫線結束*/
}