  body {
  margin: 0px;
  padding: 0px;
}
.thanku_bg .center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.thanku_bg {
  background: url(/images/thanku_bg.jpg);
  width: 100%;
  height: 100vh;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
}
.thanku_mid_box {
  width: 512px;
  text-align: center;
}
.thanku_mid_box h1 {
  /* font-family: 'IBM Plex Sans'; */
  color: #fff;
  font-size: 60px;
  font-weight: bold;
  margin-top: 28px;
  margin-bottom: 30px;
  display: block;
}
.thanku_mid_box h6 {
  /* font-family: 'IBM Plex Sans'; */
  font-size: 24px;
  color: #fff;
  font-weight: normal;
  margin-top: 16px;
  margin-bottom: 20px;
}
a.back_button {
  width: 141px;
  height: 38px;
  background: #000000;
  line-height: 38px;
  color: #fff;
  margin-left: auto;
  margin-right: auto;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 23px;
  transition: 0.6s;
}

a.back_button img {
  margin-right: 10px;
  filter: brightness(0) invert(1);
  transform: rotate(180deg);
}
a.back_button:hover {
  background: #fff;
  color: #091c3d;
  letter-spacing: 1px;
}

a.back_button:hover img {
  filter: inherit;
}











.checkmark__circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 1;
  stroke-miterlimit: 10;
  stroke: #ffffff;
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark {
  width: 117px;
  height: 117px;
  border-radius: 50%;
  display: block;
  stroke-width: 4;
  stroke: #ffffff;
  stroke-miterlimit: 10;
  margin: 10% auto;
  box-shadow: inset 0px 0px 0px #ffffff;
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.checkmark__check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% {
    stroke-dashoffset: 0;
  }
}
@keyframes scale {
  0%, 100% {
    transform: none;
  }
  50% {
    transform: scale3d(1.1, 1.1, 1);
  }
}
@keyframes fill {
  100% {
    /* box-shadow: inset 0px 0px 0px 30px #fff; */
  }
}



@media screen and (max-width:680px) {
.thanku_mid_box h1 {
  font-family: 'IBM Plex Sans';
  color: #fff;
  font-size: 38px;
  font-weight: bold;
  margin-top: -18px;
  margin-bottom: 14px;
}
.thanku_mid_box {
  width: 100%;
  text-align: center;
}
}