body {
  background-color: #0000;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  overflow: hidden;
}

.btn__fill-0045 {
  color: #fff;
  text-align: center;
  letter-spacing: 2px;
  text-transform: uppercase;
  background-color: red;
  flex: none;
  justify-content: center;
  align-self: center;
  align-items: center;
  font-family: Montserrat, sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.fill-0045__fill--col-2 {
  background-color: #0f0;
  width: 0%;
  position: absolute;
  top: 0%;
  bottom: 0%;
  left: 0%;
}

.fill-0045__fill--col-3 {
  background-color: #00f;
  width: 0%;
  position: absolute;
  inset: 0% 0% 0% auto;
}

.fill-0045__label {
  padding: 14px 70px;
  position: relative;
}