html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
  margin: 0px;
  padding: 0px;
}

:root {
  line-height: 1.5;
  font-size: 18px;
}

:root {
  --background-image-url: initial;
}

html,
body {
  background: var(--background-image-url), linear-gradient(120deg, #595b5d 0%, #f7f7f8 100%);
  background-position: center;
  background-size: cover;
  height: 100vh;
  height: 100svh;
  width: 100vw;
  position: fixed;
  font-family: 1rem/1.6 Arial, Helvetica, sans-serif;
}
html .hidden,
body .hidden {
  display: none;
}

.main-container {
  height: 100%;
  display: flex;
  justify-content: center;
  min-width: 200px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.6);
  overflow-y: auto;
}