.cont {
  align-items: center;
  justify-content: center;
  text-align: center;
  
}

body {
    width: 100vw;
    height: 100vh;
    align-items: center;
    justify-content: center;
    display: flex;
    justify-content: center;
    
    
  }
  
  .checkmark {
    width: 156px;
    height: 156px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #000;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #7ac142;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
  }
  
  .checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #7ac142;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
   
  }
  
  .checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
  }
  
  @keyframes stroke {
    100% {
      stroke-dashoffset: 0;
    }
  }
  @keyframes scale {
    0%, 100% {
      transform: none;
    }
    50% {
      transform: scale3d(1.1, 1.1, 1);
    }
  }
  @keyframes fill {
    100% {
      box-shadow: inset 0px 0px 0px 10px #7ac142;
    }
  }