:root {
  --foreground: 13, 13, 14;
  --background: 255, 255, 255;
}

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

html {
  background: rgb(var(--background));
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

main {
  max-width: 1000px;
  margin: 4em auto;
  padding: 10px;
  line-height: 1.75;
}

a {
  color: black;
}

label {
  font-weight: 500;
}

input {
  border: 1px solid #dddddddb;
  width: 150px;
  padding: 10px 14px;
  display: block;
  border-radius: 8px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  letter-spacing: 2px;
  margin-top: 4px;
  margin-bottom: 12px;
  font-size: 16px;
}

input:focus {
  outline: none;
  border: 1px solid #bebebe;
}

button {
  border: 1px solid #dddddddb;
  padding: 9px 13px;
  display: block;
  border-radius: 8px;
  font-family: inherit;
  margin-top: 11px;
  cursor: pointer;
  font-weight: 500;
  background-color: #efefef3b;
}

button:hover { 
  background-color: #efefef83;
}

button:disabled { 
  pointer-events: none;
  opacity: .5;
}