:root {
  --font-stack: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

  --clr-up: #00524c;
  --clr-down: #b00020;
  --clr-sdt: #054fb9;

  --clr-bg: #fff;
  --clr-surface: #fff;
  --clr-hdr: #002855;
  --clr-focus: #f0ad4e;
  --clr-text: #333;
  --clr-muted: #555;
  --clr-border: #ddd;
  --clr-border-soft: #e0e0e0;
  --clr-hover: #eef2f7;
  --clr-header-title: #505050;
  --clr-menu-txt-dk: #404040;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font: 14px/1.5 var(--font-stack);
  background: var(--clr-bg);
  color: var(--clr-text);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--clr-focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}