*, *::before, *::after {
    box-sizing: border-box;
    font-family: Gotham Rounded;
}
:root {
    --hue-neutral: 229;
    --hue-wrong: 0;
    --hue-correct: 129;
}
body{
      --hue:var(--hue-neutral);
      padding: 0;
      margin: 0;
      display: flex;
      width:100vw;
      height: 100vh;
      justify-content: center;
      align-items: center;
      background-color: hsl(var(--hue),57%, 36%, 0.69);

}
body.correct{
      --hue:var(--hue-correct);
  }
body.wrong{
    --hue:var(--hue-wrong);
}
.container{
    width: 900px;
    max-width: 80%;
    background-color: white;
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 0 10px 2px;
}
#heading {
  font-size: 2em;
  font-family:'ZCOOL XiaoWei', serif;
}
#explanation{
  font-size: 1em;
  font-family: 'Oswald', sans-serif;
  font-weight:bold;
  margin-bottom: 15px;
}
.btn{
  font-size: 1.5em;
}
.btn-grid{
    display: grid;
    grid-template-columns: repeat(2,auto);
    gap: 10px;
    margin: 20px 0;
}
.btn{
    --hue:var(--hue-neutral);
    border:1px solid hsl(var(--hue),100%,30%);
    background-color: hsl(var(--hue),100%,50%);
    border-radius: 5px;
    padding: 5px 10px;
    color: white;
    outline: none;
    transition: all .2s ease-in-out;
}
.btn:hover{
    border-color:black ;
    transform: scale(1.05);
}

.btn.wrong{
    --hue: var(--hue-wrong);
}
.btn.correct{
  --hue: var(--hue-correct);
}
.start, .next {
 
    font-weight: bold;
    padding: 10px 20px;
}
  .controls-button {
    display: flex;
    justify-content: center;
    align-items: center;
}
  .hide {
    display: none;
}
.modal{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background:rgb(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  visibility: visible;
  z-index: 3;
  
}

.modal-content{
  width: 50%;
  height: 50%;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  flex-direction: column;

}
.modal-title{
  align-items: center;
  justify-content: center;
  margin:0,auto,0,auto;
}
.modal-title h2{
  font-size: 1em;
  margin-left: 15px;
  margin-right: 15px;
}
.modal-name{
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-evenly;
  width: 80%;
}
.modal-matriculation{
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-evenly;
  width: 80%;
}
.modal-name > label{
  flex: 0.3;

  margin-left: 10px;
  margin-right: 10px;
}
.modal-name > input{
    flex: 0.7;
    width: 70%;
    margin-right: 10px;
    color: rgb(38, 50, 56);
    font-weight: 700;
    letter-spacing: 1px;
    background: rgba(136, 126, 126, 0.04);
    border: none;
    border-radius: 5px;
    box-sizing: border-box;
    border: 2px solid rgba(0, 0, 0, 0.02);
    margin-left: 10px;
    margin-right: 5px;
    margin-bottom: 5px;
    text-align: center;
    font-family: 'Ubuntu', sans-serif;
}

.modal-matriculation> label{
  flex: 0.3;
  margin-left: 10px;
  margin-right: 10px;
}
.modal-matriculation> input{
    flex: 0.7;
    margin-right: 10px;
    width: 70%;
    color: rgb(38, 50, 56);
    font-weight: 700;
    letter-spacing: 1px;
    background: rgba(136, 126, 126, 0.04);
    border: none;
    border-radius: 5px;
    box-sizing: border-box;
    border: 2px solid rgba(0, 0, 0, 0.02);
    margin-left: 10px;
    margin-right: 5px;
    margin-bottom: 5px;
    text-align: center;
    font-family: 'Ubuntu', sans-serif;
}
#submit{

    border-radius: 5em;
    color: #fff;
    background: gray;
    border: 0;
    padding-left: 50px;
    padding-right: 50px;
    padding-bottom: 10px;
    padding-top: 10px;
    margin-top: 5px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1em;
    box-shadow: 0 0 20px 1px rgba(0, 0, 0, 0.04);
    transition: 0.5s ease-in-out;
}


#submit:hover{
  transform: scale(1.2);
}