lbry-desktop/src/renderer/scss/component/_button.scss

button:disabled {
  cursor: default;
}

.btn {
  border: none;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  padding: 10px;
  height: var(--btn-height);
  min-width: var(--btn-height);
  border-radius: var(--btn-radius);
  background-color: var(--btn-bg-primary);
  color: var(--btn-color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  fill: currentColor; // for proper icon color
  font-size: 12px;
  transition: all var(--animation-duration) var(--animation-style);
  font-family: 'metropolis-medium';

  &:not(:disabled) {
    box-shadow: var(--box-shadow-button);
  }

  &:hover {
    box-shadow: none;
    background-color: var(--btn-bg-primary-hover);
  }

  .icon + .btn__label {
    padding-left: 5px;
  }
}

.btn.btn--alt {
  color: var(--btn-color-alt);
  background-color: var(--btn-bg-alt);

  &:disabled {
    color: var(--color-help);
    background-color: transparent;
  }
}

.btn.btn--danger {
  background-color: var(--btn-bg-danger);
}

.btn.btn--inverse {
  background-color: transparent;
  box-shadow: none;
  color: var(--btn-color-inverse);
}

.btn.btn--link {
  padding: 0;
  margin: 0;
  background-color: inherit;
  font-size: 1em;
  color: var(--btn-color-inverse);
  border-radius: 0;
  display: inline;
  min-width: 0;
  box-shadow: none;
  text-align: left;
}

.btn.btn--external-link {
  color: var(--btn-external-color);
}

.btn.btn--secondary {
  background-color: var(--btn-bg-secondary);
}

.btn.btn--tourniquet {
  max-width: 20vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn.btn--no-style {
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  background-color: inherit;
  border-radius: 0;
  padding: 0;
  margin: 0;
  box-shadow: none;
  min-width: 0;
}

.btn--link,
.btn--no-style {
  height: auto;

  .btn__label,
  .btn__content {
    padding: 0;
  }
}

.btn.btn--disabled:disabled {
  cursor: default;

  &.btn--primary {
    background-color: rgba(0, 0, 0, 0.5);
  }

  &:hover {
    box-shadow: none;
  }
}

.btn.btn--uppercase {
  text-transform: uppercase;
}

.btn:not(.btn--no-padding):not(.btn--link):not(.btn--no-style) {
  .btn__content {
    padding: 0 8px;
    display: flex;
    align-items: center;
  }
}

.icon + .btn__label,
.btn__label + .icon {
  margin-left: 5px;
}

/*
  Everything below this is variations of the default button classes
  You must pass in a className, props will not set these classes,
  if you use these in several different places they should probably
  be applied via props
*/

.btn.btn--home-nav {
  background-color: var(--btn-home-bg-color);
  box-shadow: none;

  .btn__content {
    padding: 0;
  }
}

.btn.btn--arrow {
  width: var(--btn-arrow-width);
  color: var(--text-color);

  &:disabled {
    opacity: 0.3;
  }
}

.btn--uri-indicator {
  transition: color var(--animation-duration) var(--animation-style);

  &:hover {
    color: var(--color-light-blue);
  }
}

.btn.btn--header-publish {
  background-color: var(--header-primary-color);
}

.btn.btn--header-balance {
  font-family: 'metropolis-medium';
  font-size: 14px;
  color: var(--header-primary-color);

  @media only screen and (min-width: $large-breakpoint) {
    font-size: 18px;
  }

  .btn__label--balance {
    color: var(--text-help-color);
  }

  &:hover {
    background-color: transparent;

    .btn__label--balance {
      color: var(--header-primary-color);
    }
  }
}

.btn.btn--file-actions {
  background-color: var(--color-black);
  color: var(--color-white);
  opacity: 0.8;
  border-radius: var(--btn-radius);
  width: var(--btn-height);
  height: var(--btn-height);
  padding: 10px;
}