* {
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(255,255,255,1) 40%, rgba(177,236,255,0.700717787114846) 100%);
}

.abertura {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  max-width: 350px;
}

.logo {
  width: 100%;
}

img {
  padding: 0 10px;
  display: block;
  margin: 0 auto;
  width: 80%;
  animation-name: teste;
}

.btn {
  margin-top: 50px;
}

.btn a {
  color: white;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 62px;
  border-radius: 30px;
  border: 0;
  background-color: #2D9CDB;
}