@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;700&display=swap");

:root {
  --black: #2c3e50;
}

* {
  box-sizing: border-box;
  color: var(--black);
}

body {
  font-family: "Poppins", "sans-serif";
  margin: 0;
  background: #ffe259; /* fallback for old browsers */
  background: -webkit-linear-gradient(
    to right,
    #ffa751,
    #ffe259
  ); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(
    to right,
    #ffa751,
    #ffe259
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

  /* created a gradient via the usage of linear-gradient css function, 
      and set as background-image */
  min-height: 100vh;
  min-width: 100vw;
  overflow-x: hidden;
}
.non-underlined-link {
  text-decoration: none;
  color: inherit;
}

.main-content {
  width: 100%;
}

.quiz-container {
  margin: auto;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px 2px rgba(21, 4, 133, 0.3);
  /* // here a box-shadow of 0 x and y offsets is created, 
    with blur-radius of 10px and spread-radius of 2px, and is 
    of black color.  */
  width: 800px;
  max-width: 100%;
  overflow: hidden;
  /* done in order to hide the overlaying elements's css
     interfering with the current element's css*/
}

@keyframes fadein {
  0% {
    opacity: 0;
  }

  50% {
    opacity: 0.5;
  }

  100% {
    opacity: 1;
  }
}

.run-fadein {
  position: relative;
  animation-name: fadein;
  animation-timing-function: linear;
  animation-duration: 1s;
  animation-fill-mode: backwards;
}

.quiz-header {
  padding: 4rem;
}

#timer {
  font-weight: 800;
  font-size: 1.5em;
  position: relative;
  left: 82%;
  bottom: 20px;
  color: #6a097d;
}

ul {
  list-style-type: none;
  padding: 0;
}

h2 {
  margin: 0;
}

ul li {
  font-size: 1.1rem;
  margin: 1rem 0;
}

ul li input,
ul li label {
  cursor: pointer;
}

button {
  background-color: #ffe259;
  cursor: pointer;
  /* used in order to change the cursor into a pointer 
    on focussing the button */
  display: block;
  color: white;
  width: 100%;
  padding: 1.1rem;
  font-size: 1.3rem;
  font-family: inherit;
  border: none;
}

button:hover {
  background-color: #ffa751;
}

button:focus {
  background-color: #7f8c8d;
}

.brand-name {
  display: inline-block;
  margin-left: 20px;
  font-size: 3rem;

  transition-duration: 0.3s;
  transition-property: transform;
  transition-timing-function: linear;
}

.brand-name:hover {
  transform: scale(1.05);
}

.navbar-item {
  display: inline-block;
  margin-top: 20px;
  margin-left: 50px;
  padding: 10px;
}

.navbar-img {
  font-size: 3rem;
  transition-duration: 0.5s;
  transition-property: transform;
}

.navbar-item:hover .navbar-img {
  transform: scale(1.2);
}

.navbar-link {
  text-decoration: none;
  font-size: 2rem;
  color: inherit;
  font-weight: 800;
}

hr {
  margin: 0 auto;
  width: 98vw;
  border: 1px solid var(--black);
}

.m-cont-text-1 {
  display: flex;
  justify-content: left;
  font-size: 2.5em;
}

.m-cont-text-2 {
  display: flex;
  justify-content: center;
  font-size: 2em;
  position: relative;
  right: 85px;
}

.m-cont-text-3 {
  display: flex;
  justify-content: right;
  font-size: 2.5em;
}

.m-cont-text-4 {
  display: flex;
  justify-content: center;
  font-size: 2.5em;
  margin-top: 150px;
}

.copyright-text-container {
  margin-top: 100px;
  font-size: 20px;
}

.copyright-text {
  display: flex;
  align-items: center;
  justify-content: center;
}

.invisible {
  display: none;
}

.visible {
  display: block;
}

#c-or-inc {
  padding: 25px;
  font-size: 2em;
  color: #fff;
  font-weight: 800;
  position: absolute;
  right: 50px;
  border-radius: 10px;
}

.ans-slidefromrightNdfadeaway {
  animation-name: slidefromrightNdfadeaway;
  animation-duration: 4s;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

.correct-style {
  background-color: #28df99;
}

.incorrect-style {
  background-color: #ff4b5c;
}

@keyframes slidefromrightNdfadeaway {
  0% {
    position: absolute;
    right: -150px;
    opacity: 1;
  }

  10% {
    position: absolute;
    right: 50px;
    opacity: 1;
  }

  65% {
    opacity: 0.5;
  }

  100% {
    opacity: 0;
  }
}