iconoir/iconoir.com/components/Button.tsx

import styled from 'styled-components';

export const ResetButton = styled.button`
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
  text-transform: none;
  -webkit-appearance: none;
  border: none;
  outline: none;
`;

export const LargeButton = styled(ResetButton)`
  &&& {
    background: var(--white);
    height: 75px;
    border-radius: 10px 50px 50px 50px;
    border: solid 2px var(--g0);

    box-shadow: 0px 8px 0px 0px var(--g0);

    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--g0);
    padding: 0 70px;
    font-size: 20px;
    line-height: 26px;
    font-weight: 700;
    position: relative;
    cursor: pointer;
    z-index: 12;
    > :not(:last-child) {
      margin-right: 15px;
    }
    * {
      font-weight: 700;
    }
    transition: 0.2s;
    &:hover {
      box-shadow: 0px 3px 0px 0px var(--g0);
      transform: translateY(5px);
    }
    &:focus::after,
    &:hover::after {
      inset: -7px;
      opacity: 1;
    }
  }
`;

export const Button = styled(LargeButton)`
  &&&& {
    height: 40px;
    font-size: 13px;
    line-height: 21px;
    padding: 0 18px;
    &::after {
      border-width: 2px;
    }
    &:focus::after,
    &:hover::after {
      inset: -4px;
    }
    &:active {
      background: var(--darker-gray);
    }
  }
`;

export const CopyButton = styled(Button)`
  &&&&& {
    text-transform: uppercase;
    background: var(--white);
    height: 30px;
    padding: 0 12px;
    font-size: 11px;
    letter-spacing: 0.12em;
    line-height: 17.6px;
    font-weight: 700;
    color: var(--black);
    font-family: var(--font-family);
  }
`;