.footer {
  margin-top: auto;
}

h3 {
  font-size: 20px;
  color: #fff;
  text-align: center;
  line-height: 36px;
}

.main {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.thanks__section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 100px);
  background: url(../img/Vector.jpg) no-repeat;
  background-position-x: 0%;
  background-position-y: 0%;
  background-attachment: scroll;
  background-size: auto;
  background-size: cover;
  background-position: right bottom;
}

@media screen and (max-width: 768px){

  h3 {
    font-size: 16px;
  }


}