body {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}
.main {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("../img/bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.main-btn {
  display: block;
  text-decoration: none;
  min-width: 250px;
  color: white;
  background-color: #e60505;
  border-radius: 12px;
  cursor: pointer;
  display: block;
  text-align: center;
  padding: 10px 15px;
  font-size: 22px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}
@media screen and (min-width: 744px) {
  .main-btn {
    min-width: 320px;
    padding: 15px 15px;
  }
}
.flare {
  position: absolute;
  top: 0;
  height: 100%;
  width: 25px;
  transform: skewX(-45deg);
  animation: flareAnimation;
  left: 80%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.4)
  );
  animation: flareAnimation 3s infinite linear;
}

@keyframes flareAnimation {
  0% {
    left: 10%;
  }
  100% {
    left: 80%;
  }
}
.img {
  width: 100%;
}