:root {
  --bs-blue: #0d6efd;
  --bs-indigo: #6610f2;
  --bs-purple: #6f42c1;
  --bs-pink: #d63384;
  --bs-red: #dc3545;
  --bs-orange: #677C98;
  --bs-yellow: #ffc107;
  --bs-green: #198754;
  --bs-teal: #20c997;
  --bs-cyan: #0dcaf0;
  --bs-white: #fff;
  --bs-gray: #6c757d;
  --bs-gray-dark: #343a40;
  /* Textfarbe */
  --bs-gray-100: #f8f9fa;
  --bs-gray-200: #e9ecef;
  --bs-gray-300: #dee2e6;
  --bs-gray-400: #ced4da;
  --bs-gray-500: #adb5bd;
  --bs-gray-600: #6c757d;
  --bs-gray-700: #495057;
  --bs-gray-800: #343a40;
  --bs-gray-900: #212529;
  /* --bs-primary: var(--bs-primary); Hauptfarbe in Blau */
  --bs-primary: #004c93;
  /*Hauptfarbe in Blau Neu :3 D 6 1 9 8 Köln/Freiburg: 6 7 7 C 9 8 ; Dortmund: 8 3 B 8 1 9 oder dunkler : 6 3 9 B 0 0; R color scheme blue: 0 0 7 3 C3*/
  --bs-primarydark: #93B3F3;
  /*Hauptfarbe in Blau Köln/Freiburg: 6 7 7 C 9 8 ; Dortmund: 8 3 B 8 1 9 oder dunkler : 6 3 9 B 0 0; R color scheme blue: 0 0 7 3 C3*/
  --bs-primaryhover: #1F314D;
  /*Hauptfarbe in Blau Köln/Freiburg: 6 7 7 C 9 8 ; Dortmund: 8 3 B 8 1 9 oder dunkler : 6 3 9 B 0 0; R color scheme blue: 0 0 7 3 C3*/
  --bs-primaryhoverdark: #CBDCFF;
  /*Hauptfarbe in Blau Köln/Freiburg: 6 7 7 C 9 8 ; Dortmund: 8 3 B 8 1 9 oder dunkler : 6 3 9 B 0 0; R color scheme blue: 0 0 7 3 C3*/
  --bs-secondary: #6c757d;
  --bs-success: #198754;
  --bs-info: #0dcaf0;
  --bs-warning: #ffc107;
  --bs-danger: #dc3545;
  --bs-light: #f8f9fa;
  --bs-dark: #212529;
  --bs-primary-rgb: 103, 124, 152;
  --bs-secondary-rgb: 108, 117, 125;
  --bs-success-rgb: 25, 135, 84;
  --bs-info-rgb: 13, 202, 240;
  --bs-warning-rgb: 255, 193, 7;
  --bs-danger-rgb: 220, 53, 69;
  --bs-light-rgb: 248, 249, 250;
  --bs-dark-rgb: 33, 37, 41;
  --bs-white-rgb: 255, 255, 255;
  --bs-black-rgb: 0, 0, 0;
  --bs-body-color-rgb: 33, 37, 41;
  --bs-body-bg-rgb: 255, 255, 255;
  --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
  --bs-body-font-family: -apple-system, BlinkMacSystemFont, Muli, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
  --bs-body-font-size: 1rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.5;
  --bs-body-color: #212529;
  --bs-body-bg: #fff;
}


.up-btn {
  width: 50px;
  height: 50px;
  right: 20px;
  bottom: 20px;
  /* opacity: .7; */
  background: var(--bs-primary);
  cursor: pointer;
  position: fixed;
  z-index: 2000;
  transition: all .2s ease-in-out;
  padding: 10px;
  box-sizing: border-box;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: scale(1);
  border: 1px solid white;
}

.up-btn.up-btn__hide {
  opacity: 0;
  transform: scale(0);
  transition: all .2s ease-in-out;
}

.up-btn:hover {
  opacity: 1;
  background: var(--bs-primaryhover);

}

.up-btn.up-btn_circle {
  border-radius: 50%;
}

.up-btn__img {
  width: 100%;
  max-width: 100%;
}

@media (prefers-color-scheme: dark) {
  .up-btn {
    background: var(--bs-primarydark);
    border: 0px solid white;

  }

  .up-btn:hover {
    opacity: 1;
    background: var(--bs-primaryhoverdark);
  }
  
  
}