styles.css

.sidenav {
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgb(247, 146, 100);
  overflow-x: hidden;
  padding-top: 20px;
  height: 100vh;
}

.bg-grey {
  color: rgb(65, 64, 63);
}
.bg-beige {
  color: rgb(247, 146, 100);
}
.beige {
  background-color: rgb(247, 146, 100);
}
h1 {
  font-size: 3.5rem;
  font-family: "Saira Extra Condensed";
}
.social-icon {
  background-color: #495057;
  color: #fff;
  font-size: 1.5rem;
}
.social-icon:hover {
  background-color: rgb(247, 146, 100);
}
a {
  color: rgb(252, 214, 197);
}
a:hover {
  text-decoration: none;
  color: white;
}

.content {
  top: 0;
  margin-left: 25vw;
}
.border-5 {
  border-width: 5px !important;
  border-color: rgb(252, 190, 161) !important;
}

.dev-icons {
  font-size: 3rem;
}
button {
  background-color: rgb(247, 146, 100) !important;
}

button:hover {
  color: #fff !important;
}
footer {
  position: absolute;
}
.about-img {
  display: none;
}

@media only screen and (max-width: 999px) {
  .sidenav {
    height: 10vh;
    width: 100%;
    overflow: visible;
  }
  #navbarSupportedContent {
    background-color: rgb(247, 146, 100);
  }
  .dev-icons {
    font-size: 1.5rem;
  }
  .social-icon {
    background-color: #495057;
    color: #fff;
    font-size: 0.8rem;
  }

  .content {
    margin-left: 5vw;
    overflow: hidden;
  }
  footer {
    position: absolute;
    bottom: 0px;
  }
  .nav-img {
    display: none;
  }
  .about-img {
    display: block;
  }
}