@media (min-width: 768px) {
  #video_presentacion {
    width: 90%;
    height: 50vh;
  }
}

.underline:after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: ##4f5198 !important;
  z-index: -1;
}

#boton_pagar {
  background-color: #83d383;
  border: #84d383 solid 1px;
}

#boton_pagar:hover {
  background: #6fb06e;
  border: #6fb06e solid 1px;
}