.cssbuttons-io-button {
  background: #fff;
  font-family: inherit;
  padding: 0.1em;
  padding-left: 1em;
  font-weight: 500;
  border-radius: 1000rem;
  border: none;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
  height: 2.8em;
  padding-right: 1.7em;
  cursor: pointer;
}

.cssbuttons-io-button .icon {
  background: black;
  margin-left: 0.3em;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.6em;
  width: 2.6em;
  border-radius: 2em;
  right: 0.2em;
  transition: all 0.3s;
}

.cssbuttons-io-button:hover .icon {
  width: calc(100% - 0.4em);
}

.cssbuttons-io-button .icon span {
  display: none;
  white-space: nowrap;
  padding-inline: 0.6em;
  font-weight: 700;
}

.cssbuttons-io-button .icon:hover span {
  display: inline-block;
}

.cssbuttons-io-button .icon svg {
  width: 1.1em;
  transition: transform 0.3s;
  color: #fff;
}

.cssbuttons-io-button:hover .icon svg {
  transform: translateX(0.1em);
}

.cssbuttons-io-button:active .icon {
  transform: scale(0.95);
}