/* <reset-style> ============================ */
button {
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  font-family: inherit;
}
/* ============================ */
/* <style for bg> ======== */
.background {
  border-radius: 16px;
  border: 1px solid #1a1a1a;
  background: rgba(74, 74, 74, 0.39);
  mix-blend-mode: luminosity;
  box-shadow: 0px 0px 0px 1px rgba(0, 0, 0, 0.20);
  backdrop-filter: blur(15px);
  width: 65px;
  height: 65px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* <style for menu__icon> ======== */
.menu__icon {
  width: 32px;
  height: 32px;
  padding: 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.menu__icon span {
  width: 100%;
  height: 0.125rem;
  border-radius: 0.125rem;
  background-color: rgb(0, 122, 255);
  box-shadow: 0 .5px 2px 0 hsla(0, 0%, 0%, .2);
  transition: transform .4s, background-color .4s, opacity .4s;
}

.menu__icon:hover span:nth-child(1) {
  background-color: rgb(255, 59, 48);
  transform: translateY(11px) rotate(-45deg);
}

.menu__icon:hover span:nth-child(2) {
  transform: translate(-50%);
  opacity: 0;
}

.menu__icon:hover span:nth-child(3) {
  background-color: rgb(255, 59, 48);
  transform: translateY(-11px) rotate(45deg);
}