style.css

body{
  font-family: Montserrat, sans-serif;
  font-weight: 500;
  font-size: 20px;
  background-color: wheat;
  padding-top: 80px;
}

header {
  background-color: white;
  height: 8vh;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
}

.header-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 0 100px;
  height: 100%;
}

.left-side {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-right: 0;
}

.profile-picture {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 25px;
}

nav {
  display: flex;
  align-items: center;
  height: 100%;
}

nav button {
  background-color: white;
  height: 100%;
  padding: 0 2rem;
  border: none;
  font-size: 20px;
  cursor: pointer;
}

nav button:hover {
  background-color: lightgray;
  color: white;
  font-weight: bold;
}


.side-bar {
  position: fixed;
  background-color: white;
  color: black;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  top: 50%;
  left: 20px;
  width: 60px;
  height: 300px;
  margin-top: -150px;
  border-radius: 60px;
  padding: 60px 10px;
}

.side-bar button {
  background-color: transparent;
  border: none;
  cursor: pointer;
}

.side-bar img {
  height: 50px;
  width: 50px;
  object-fit: scale-down;
  margin-bottom: 60px;
}

.accounts .tooltip {
  visibility: hidden;
  width: 150px;
  font-size: 1rem;
  z-index: 1;
  position: absolute;
  left: 105%;
  background-color: black;
  color: white;
  text-align: center;
  border-radius: 5vw;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 4px 6px 4px 6px;
}

.accounts:hover .tooltip {
  visibility: visible;
  opacity: .75;
}

.intro {
  display: grid;
  text-align: center;
  padding: 20vh 10vw 0 10vw;
  margin-bottom: 25vh;
}

.intro-p {
  font-weight: bold;
  font-size: 5rem;
  
}