@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins',sans-serif;
}
body{
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F4F7FF;
}
.button{
  position: relative;
  height: 55px;
  max-width: 300px;
  width: 100%;
  background: #7d2ae8;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 5px 10px rgba(0,0,0,0.2);
  overflow: hidden;
}
.button::before{
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  height: 100%;
  width: 100%;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
}
.button.progress::before{
  animation: progress 6s ease-in-out forwards;
}
@keyframes progress {
  0%{
    left: -100%;
  }
  10%{
    left: -97%;
  }
  20%{
    left: -92%;
  }
  30%{
    left: -82%;
  }
  30%{
    left: -62%;
  }
  40%{
    left: -38%;
  }
  50%{
    left: -18%;
  }
  60%{
    left: -14%;
  }
  80%{
    left: -7%;
  }
  90%{
    left: -3%;
  }
  100%{
    left: 0%;
  }
}
.button .text-icon{
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.button .text-icon i,
.button .text-icon span{
  position: relative;
  color: #fff;
  font-size: 26px;
}
.button .text-icon span{
  font-size: 20px;
  font-weight: 400;
  margin-left: 8px;
}