.stripe-button-el {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    text-decoration: none;
    background-color: #6772e5;
    border-radius: 4px;
    box-shadow: 0 2px 3px 0 rgba(0, 0, 0, 0.10), 0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.stripe-button-el:hover {
    background-color: #4760cc;
}

.stripe-button-el:active {
    background-color: #4357ad;
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.10), 0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Spinner circle */
.lds-ring {
  display: inline-block;
  position: relative;
  width: 64px;
  height: 64px;
}
.lds-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 51px;
  height: 51px;
  margin: 6px;
  border: 6px solid #333;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #333 transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/** Spinner Dots */
/* To use in html: <div class="lds-dots"><div></div><div></div><div></div><div></div></div> */ 
.lds-dots {
  display: inline-block;
  position: relative;
  width: 64px;
  height: 64px;
}
.lds-dots div {
  position: absolute;
  top: 27px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}
.lds-dots div:nth-child(1) {
  left: 6px;
  animation: lds-dots1 0.6s infinite;
}
.lds-dots div:nth-child(2) {
  left: 6px;
  animation: lds-dots2 0.6s infinite;
}
.lds-dots div:nth-child(3) {
  left: 26px;
  animation: lds-dots2 0.6s infinite;
}
.lds-dots div:nth-child(4) {
  left: 45px;
  animation: lds-dots3 0.6s infinite;
}
@keyframes lds-dots1 {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes lds-dots3 {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}
@keyframes lds-dots2 {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(19px, 0);
  }
}