html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Roboto", Sans-serif;
  font-size: 18px;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1140px;
  margin: 0px auto;
  text-align: center;
}

h1 {
  text-align: center;
  font-family: "Roboto", Sans-serif;
  font-size: 45px;
  font-weight: 700;
  color: #000000;
}

hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}

pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

a {
  background-color: transparent;
}

abbr[title] {
  border-bottom: none;
  text-decoration: underline dotted;
}

p {
  margin: 0 0 20px 0;
  line-height: 25px;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

small {
  font-size: 12px;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

img {
  border-style: none;
}

button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

button,
input {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

legend {
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}

progress {
  vertical-align: baseline;
}

textarea {
  overflow: auto;
}

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

[type="search"] {
  -webkit-appearance: textfield;
  outline-offset: -2px;
}

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

details {
  display: block;
}

summary {
  display: list-item;
}

template {
  display: none;
}

[hidden] {
  display: none;
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}
@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}
@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.container-fluid {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

header {
  min-height: 137px;
  background: url(../img/2-2048x585.png);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  margin-top: 50px;
}

.quiz-button {
  display: block;
  width: 100%;
  max-width: 300px;
  margin: 10px auto;
  padding: 15px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.quiz-button:hover {
  background-color: #34c759;
}

.quiz-button:active {
  background-color: #1e7e34;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

footer {
  box-shadow: -5px 2px 10px 0px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 50px 0px;
  z-index: 9999;
  position: relative;
}

footer div {
  margin: 0px auto;
  max-width: 1140px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

footer small {
  color: #7a7a7a;
}

footer small a {
  color: #000000;
  text-decoration: none;
  margin: 0 0 5px 0;
  display: inline-block;
}

footer p {
  color: #7a7a7a;
  margin: 15px 0 0 0;
  font-size: 14px;
}

@media (max-width: 767.98px) {
  h1 {
    font-size: 24px;
    line-height: 32px;
  }
}