:root {
  --font-family: Calibri;
  --color-medium-blue: #345985;
  --color-clear-blue: #2185fd;
  --color-light-blue: #70ccf7;
  --color-orange: #fb4741;
  --color-yellow: #ffeb00;
  --color-green: #28e731;
  --color-black: #000000;
  --color-white: #ffffff;
  --color-grey: #bbb;

  --color-tank-yellow: #FFFF00;
  --color-tank-green: #00FF00;
  --color-tank-grey: #B4B4B4;
  --color-tank-black: #FF00FF;
  --color-tank-blue: #70ccf7;
  --color-tank-white: #FFFFFF;
  --color-tank-brown-black: brown;
}

html {
  color: var(--color-white);
  -webkit-user-select: none;
  user-select: none;
}

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  background-color: var(--color-black);
  overscroll-behavior-y: contain;
  height: 100vh;
}

a {
  color: var(--color-orange);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:visited {
  color: rgb(0, 80, 160);
}

h1 {
  margin-top: 0.1em;
  margin-bottom: 0.1em;
  font-family: var(--font-family);
  color: var(--color-light-blue);
}

h2,
h3,
h4,
h5,
li,
label {
  margin-top: 0.1em;
  margin-bottom: 0.1em;
  color: var(--color-green);
}

label {
  display: block;
}

input,
button,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  -webkit-padding: 0.4em 0;
  padding: 0.4em;
  margin: 0 0 0.5em 0;
  box-sizing: border-box;
  border: 2px solid var(--color-orange);
  border-radius: 2px;
}

input:disabled {
  color: #ccc;
}

button {
  color: var(--color-white);
  background-color: var(--color-orange);
  outline: none;
}

button:disabled {
  color: #999;
}

button:not(:disabled):active {
  background-color: #ddd;
}

button:focus {
  border-color: #666;
}

.close-button {
  position: absolute;
  right: 0;
  text-decoration: none;
  top: 0;
  margin: 1rem;
  color: var(--color-orange);
}

.close-button:link {
  text-decoration: none;
}

.close-button:visited {
  text-decoration: none;
}

.close-button:hover {
  text-decoration: none;
}

.close-button:active {
  text-decoration: none;
}

.close-button:after {
  content: "✖";
}

::-webkit-scrollbar {
  width: 0px;
  background: transparent;
}