quiz.css

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial;
  font-size: 17px;
}

#myVideo {
  width: 100%;
}

.content {
  position: fixed;
  bottom: 0;
  background: rgba(26, 3, 41, 0.478);
  color: #dac8f5;
  width: 100%;
  padding: 20px;
}

#title{
    color: rgb(123, 2, 125);
}

#myBt {
  background-color: #c2fbd7;
  border-radius: 100px;
  box-shadow: rgba(44, 187, 99, .2) 0 -25px 18px -14px inset,rgba(44, 187, 99, .15) 0 1px 2px,rgba(44, 187, 99, .15) 0 2px 4px,rgba(44, 187, 99, .15) 0 4px 8px,rgba(44, 187, 99, .15) 0 8px 16px,rgba(44, 187, 99, .15) 0 16px 32px;
  color: green;
  cursor: pointer;
  display: inline-block;
  font-family: CerebriSans-Regular,-apple-system,system-ui,Roboto,sans-serif;
  padding: 7px 20px;
  text-align: center;
  text-decoration: none;
  transition: all 250ms;
  border: 0;
  font-size: 16px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}
#myBt :hover {
  box-shadow: rgba(44,187,99,.35) 0 -25px 18px -14px inset,rgba(44,187,99,.25) 0 1px 2px,rgba(44,187,99,.25) 0 2px 4px,rgba(44,187,99,.25) 0 4px 8px,rgba(44,187,99,.25) 0 8px 16px,rgba(44,187,99,.25) 0 16px 32px;
  transform: scale(1.05) rotate(-1deg);
}

.bt{
    
  display: inline-block;
  outline: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  border-radius: 500px;
  transition-property: background-color,border-color,color,box-shadow,filter;
  transition-duration: .3s;
  border: 1px solid transparent;
  letter-spacing: 2px;
  min-width: 160px;
  text-transform: uppercase;
  white-space: normal;
  font-weight: 700;
  text-align: center;
  padding: 16px 14px 18px;
  color: #eeeef2;
  box-shadow: inset 0 0 0 2px #7907a2;
  background-color: transparent;
  height: 48px;
  

}