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%;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}


body {
  margin-bottom: 60px;
  background-color : var(--whole-background-color);
  color : var(--normal-text-color)
}

.footer-real-content {
    color: var(--footer-normal-text-color)
}

.header-main {
    
    background-color: var(--header-background-color);
    position : sticky;
    height : 8vh;
}

.header-button {
    background-color: #00000000;

    text-decoration-line :none;
}

.header-normal-button {
    color: var(--header-normal-text-color);

    margin : 4px;
}

.header-main-button {
    color: var(--header-normal-text-color);

    margin: 0 6px 3.5px 6px ;

    font-size : 150%;
}

.header-sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
}

.page {
    min-height : 100vh;
    display: flex;
    flex-direction : column;
}

.content {
    margin-top: 8vh;
    flex: 1;
    display : flex;
    align-items : stretch;
}