* {
    margin:0;
    font-family: system-ui, -apple-system, sans-serif;
}

.main-container {
  padding: 100px 75px 100px;
}

.main-container>h2 {
    font-size: 2.5rem;
    line-height: 2.5rem;
    padding-bottom: 10px;
}

.main-container>p {
    width: 80%;
    margin-left: 5%;
    font-size: 2rem;
}

.main-container>hr {
  border-width: 0px;
}

#my-image {
  cursor: pointer;
  margin: auto;
  display: block;
  border-radius: 50%;
  width: 23.5%;
  border: 10px solid #223736;
  transition: border, width 0.4s ease;
}

#my-image:hover {
  border: 10px solid #445957;
  width: 24%;
}

#c_plusc-container {
    background-color: #223736;
    color: #FBFFFE;
}

h1 {
    text-align: center;
    padding: 1%;
    margin-left: 15%;
    margin-right: 15%;
    font-size: 3rem;
}

footer {
  background-color: #223736;
  color: #FBFFFE;
  padding: 24px;
}

.no-link {text-decoration: none;}

#personal-link {color: #FBFFFE;}

#bottom-line {
  text-align: center;
  font-size: smaller;
}

@media (max-width: 600px) {
  header>h1{
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }

  .main-container {
    padding: 40px 20px;
    text-align: center;
  }

  .main-container>p {
    width: 100%;
    margin: 0;
    padding: 0;
  }

  #physics-container>hr {
    border: 1px solid black;
  }

  #c_plusc-container>hr {
    border: 1px solid #FBFFFE;
  }
}