Оформление кнопок на просмотр/скачивание документов

<a href="#" class="my-btn disabled">Нет документа</a>

<a href="#" class="my-btn">Открыть</a>

<a href="#" class="my-btn focus">focus</a>

<a href="#" class="my-btn active">active</a>

CSS Код:

/* Оформление кнопок с классом my-btn */
.my-btn {
  display: block;
  margin-bottom: 0;
  font-weight: normal;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none;
  padding: 10px 16px;
  font-size: 18px;
  line-height: 1.3333333;
  border-radius: 4px;
  border: 1px solid transparent;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: var(--text-color);
  background-color: var(--primary-color-light);
  border-color: var(--border-color-light);
  &:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
  &:focus,
  &.focus {
    color: var(--primary-color);
    border-color: var(--primary-color);
    outline-offset: -2px;
  }
  &:active,
  &.active {
    background-image: none;
    outline: 0;
    -webkit-box-shadow: inset 0 3px 5px var(--text-color-gray);
    box-shadow: inset 0 3px 5px var(--text-color-gray);
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
  &:active:hover,
  &.active:hover,
  &:active:focus,
  &.active:focus,
  &:active.focus,
  &.active.focus {
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
}
.my-btn.disabled,
.my-btn[disabled],
fieldset[disabled] .my-btn {
  cursor: not-allowed;
  filter: alpha(opacity=65);
  opacity: 0.65;
  -webkit-box-shadow: none;
  box-shadow: none;
}
.my-btn.disabled:hover,
.my-btn[disabled]:hover,
fieldset[disabled] .my-btn:hover,
.my-btn.disabled:focus,
.my-btn[disabled]:focus,
fieldset[disabled] .my-btn:focus,
.my-btn.disabled.focus,
.my-btn[disabled].focus,
fieldset[disabled] .my-btn.focus {
  background-color: var(--primary-color-light);
  border-color: var(--border-color-light);
}
a.my-btn.disabled,
fieldset[disabled] a.my-btn {
  pointer-events: none;
}
a.my-btn {
  text-decoration: none;
}