:root {
  --header-height: 3rem;
  --nav-width: 68px;
  --first-color: #4723D9;
  --first-color-light: #AFA5D9;
  --white-color: #1804f8;
  --body-font: 'Nunito', sans-serif;
  --normal-font-size: 1rem;
  --z-fixed: 100;
}

body {
  position: relative;
  margin: var(--header-height) 0 0 0;
  padding: 0 1rem;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  transition: .5s;
}

a {
  text-decoration: none;
}

.header {
  width: 100%;
  height: var(--header-height);
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background-color: var(--white-color);
  z-index: var(--z-fixed);
  transition: .5s;
}

.header_toggle {
  color: var(--first-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.header_img {
  width: 35px;
  height: 35px;
  display: flex;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
}

.header_img img {
  width: 40px;
}

.active {
  color: var(--white-color);
}

.active::before {
  content: '';
  position: absolute;
  left: 0;
  width: 2px;
  height: 32px;
  background-color: var(--white-color);
}

@media screen and (min-width: 768px) {
  body {
    margin: calc(var(--header-height) + 1rem) 0 0 0;
    padding-left: calc(var(--nav-width) + 2rem);
  }
}

@media screen and (min-width: 768px) {
  .header {
    height: calc(var(--header-height) + 1rem);
    padding: 0 2rem 0 calc(var(--nav-width) + 2rem);
  }
}

@media screen and (min-width: 768px) {
  .header_img {
    width: 40px;
    height: 40px;
  }
}

@media screen and (min-width: 768px) {
  .header_img img {
    width: 45px;
  }
}