* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  color: #333;
}

.container.thank_you {
  max-width: 700px;
  margin: 50px auto;
  padding: 20px;
}

.thank_you .card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.thank_you .header {
  text-align: center;
  padding: 35px 20px;
  border-bottom: 4px solid #17191D;
  background-color: #000000;
}

.thank_you .header img {
  width: 260px;
  max-width: 100%;
  margin: 0 auto;
}

.thank_you .content {
  padding: 50px 40px;
  text-align: center;
}

.thank_you .success {
  width: 90px;
  height: 90px;
  margin: 0 auto 30px;
  border-radius: 50%;
  background: #17191D;
  color: #ffffff;
  font-size: 48px;
  line-height: 90px;
  font-weight: bold;
}

.thank_you .content h1 {
  color: #17191D;
  margin-bottom: 15px;
  font-size: 34px;
}

.thank_you .content .subtitle {
  font-size: 18px;
  color: #666;
  line-height: 30px;
  margin-bottom: 35px;
}

.thank_you .content .info {
  background: #f8f9fb;
  border-left: 5px solid #17191D;
  padding: 25px;
  text-align: left;
  border-radius: 6px;
  margin-bottom: 35px;
}

.thank_you .info p {

  margin-bottom: 12px;
  line-height: 28px;
  color: #555;
}

/* .reference {
  display: inline-block;
  background: #17191D;
  color: #fff;
  padding: 12px 25px;
  border-radius: 30px;
  font-size: 15px;
  margin-top: 10px;
  letter-spacing: 1px;
} */

.thank_you .content .button {
  display: inline-block;
  margin-top: 35px;
  padding: 16px 40px;
  background: #17191D;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: .3s;
}

.thank_you .content .button:hover {
  background: #000;
}

.thank_you .footer {
  background: #17191D;
  color: #b8b8b8;
  text-align: center;
  padding: 30px;
}

.thank_you .footer a {
  color: #fff;
  text-decoration: none;
}

.thank_you .footer p {
  margin: 8px 0;
  line-height: 26px;
}

@media(max-width:768px) {

  .thank_you .content {
    padding: 35px 25px;
  }

  .thank_you .content h1 {
    font-size: 28px;
  }

  .thank_you .subtitle {
    font-size: 16px;
    line-height: 28px;
  }

  .thank_you .header img {
    width: 220px;
  }
}