Iconography

<a class="btn-animated-border animated-prev">
  <svg width="52" height="52" viewBox="0 0 52 52">
    <circle cx="26" cy="26" r="25" fill="none" stroke="#ff8300" stroke-width="1.2"></circle>
  </svg>
  <i class="fas fa-long-arrow-left"></i>
</a>

<a class="btn-animated-border animated-prev">
  <svg width="52" height="52" viewBox="0 0 52 52">
    <circle cx="26" cy="26" r="25" fill="none" stroke="#ff8300" stroke-width="1.2"></circle>
  </svg>
  <i class="fas fa-angle-left"></i>
</a>

.btn-animated-border {
    display: inline-block;
    text-align: center;
    position: relative;
    line-height: 52px;
    width: 52px;
    height: 52px;
    border-radius: 26px;
    background: transparent;
    border: 0;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 10px;
    &:before {
      content: '';
      position: absolute;
      width: 52px;
      height: 52px;
      top: 0;
      left: 0;
      border-radius: 26px;
      border: 1px solid #E9EFF4;
      z-index: 0;
      transition: border-color .8s cubic-bezier(.165,.84,.44,1) 0s;
  }
  &.animated-prev {
    &:hover
      svg {
        circle {
          stroke-dashoffset: 0
        }
      }
    }
  }
  &.animated-next {
    &:hover
      svg {
        circle {
          stroke-dashoffset: 314.16
        }
      }
    }
  }
  svg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      transform: rotate(-90deg);
      z-index: 1;
      circle {
        stroke-dasharray: 157.08;
        stroke-dashoffset: 157.08;
        transition: stroke-dashoffset .8s cubic-bezier(.165,.84,.44,1) 0s;
    }
  }
  i {
    color: #7C8C9C
  }
}

<a class="btn-animated-border animated-prev">
  <svg width="52" height="52" viewBox="0 0 52 52">
    <circle cx="26" cy="26" r="25" fill="none" stroke="#ff8300" stroke-width="1.2"></circle>
  </svg>
  <i class="fas fa-long-arrow-left"></i>
</a>

<a class="btn-animated-border animated-prev">
  <svg width="52" height="52" viewBox="0 0 52 52">
    <circle cx="26" cy="26" r="25" fill="none" stroke="#ff8300" stroke-width="1.2"></circle>
  </svg>
  <i class="fas fa-angle-left"></i>
</a>

.btn-animated-border {
    display: inline-block;
    text-align: center;
    position: relative;
    line-height: 52px;
    width: 52px;
    height: 52px;
    border-radius: 26px;
    background: transparent;
    border: 0;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 10px;
    &:before {
      content: '';
      position: absolute;
      width: 52px;
      height: 52px;
      top: 0;
      left: 0;
      border-radius: 26px;
      border: 1px solid #E9EFF4;
      z-index: 0;
      transition: border-color .8s cubic-bezier(.165,.84,.44,1) 0s;
  }
  &.animated-prev {
    &:hover
      svg {
        circle {
          stroke-dashoffset: 0
        }
      }
    }
  }
  &.animated-next {
    &:hover
      svg {
        circle {
          stroke-dashoffset: 314.16
        }
      }
    }
  }
  svg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      transform: rotate(-90deg);
      z-index: 1;
      circle {
        stroke-dasharray: 157.08;
        stroke-dashoffset: 157.08;
        transition: stroke-dashoffset .8s cubic-bezier(.165,.84,.44,1) 0s;
    }
  }
  i {
    color: #7C8C9C
  }
}