body{
    padding: 0;
    margin: 0;
    background: #577eff;
}
.bac{
    width: 100%;
    height: 100vh;
    text-align: center;
}
input{
border: 2px solid #851112;
  height: 30px;
  color: #a1a0a0;
  padding: 1%;
  font-size: 20px;
  text-align: center;
}
.bu{
  background: #851112;
  width: 40%;
  padding: 3% 5% 2%;
  font-size: 25px;
  margin-left: 24%;
  margin-top: 8px;
  color: white;
  font-weight: bold;
}