body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  background: linear-gradient(-90deg, rgb(69, 112, 206), #0764d6, #6982d3);
  background-size: 400% 400%;
  animation: colors 15s ease-in-out infinite;
  background-position: center;
  height: 100vh;
  color: #fff;
  text-shadow: black 0.1em 0.1em 0.2em;

}
@keyframes colors {
  0% {
    background-position: 0% 50% ;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

body::-webkit-scrollbar {
  width: 12px;            
}
body::-webkit-scrollbar-track {
  background: linear-gradient(-45deg, #3d4141, #53798f);
}
body::-webkit-scrollbar-thumb {
  border-radius: 24px;
  border: solid 1px #f7f7f76c;
}

canvas {
  margin-bottom: 1.5rem;
  margin-left: 4rem;
  box-shadow: 0px 5px 30px -5px rgba(0, 0, 0, 0.938);

}


.box-1 {
  display: flex;
  justify-content: center;
}

.box-2 {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.flex-container-2-2 {
  display: flex;
  justify-content: center;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-end;
}

.box-3 {
  display: flex;
  justify-content: center;
  flex-direction: row;
  flex-wrap: wrap;
  padding-top: 40px;
}

h1 {
  font-size: 36px;
  text-transform: uppercase;
}

p {
  font-size: 20px;
}

span {
  display: flex;
  justify-content: center;
  border-bottom: 3px solid #ffffff;
  width: 40px;
  margin: 5px;
  padding-bottom: 10px;
  font-size: 25px;
  font-weight: bold;
  text-transform: uppercase;
}

button{
  display: flex;
  justify-content: center;
  margin: 5px;
  width: 35px;
  padding: 10px 0;
  border: none;
  border-radius: 5px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #fff;
  cursor: pointer;
  text-transform: uppercase;
  background: linear-gradient(45deg, #06739b46, #23d5ab6b);
  box-shadow: 0px 5px 30px -5px rgba(0, 0, 0, 0.938);
  text-shadow: black 0.1em 0.1em 0.2em;

}
#novo {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

button:hover {
  background-color: #0682ac;
}

button.novo-bt {
  width: auto;
  padding: 10px;
}

.certa, .certa:hover {
  background: #0bdd1d;
  border: 1px solid #1c8b2e;
  cursor: inherit;
}

.errada, .errada:hover {
  background: #DC1F27;
  border: 1px solid #8f2025;
  cursor: inherit;
}

footer {
  margin-top: 100px;
  color:#ffffff;
  text-align: center;
  font-size: 20px;
  font-style: italic;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: black 0.1em 0.1em 0.2em;
}

footer img {
  width: 22px;
  margin-left: 10px;
  margin-top: 10px;
}