header {
    .container {
        width: 100%;
        height: 30vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
      }
      
      h1 {
        font-size: 2em;
        text-transform: uppercase;
        font-family: 'Gambetta', serif;
        letter-spacing: -3px;
        transition: 700ms ease;
        font-variation-settings: "wght" 311;
        margin-bottom: 0.8rem;
        color: PaleGoldenRod;
        outline: none;
        text-align: center;
      }
      
      h1:hover {
        font-variation-settings: "wght" 582; 
        letter-spacing: 1px;
      }
      
      p {
        font-size: 16px;
        line-height: 150%;
        text-align: center;
        color: MintCream;
        letter-spacing: .5px;
      }
}
body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background: #0f0e0e;
}
h1 {
    font-size: 2em;
    color: #ffffff;
    text-align: center;
}

p {
    font-size: 16px;
    color: #ffffff;
    line-height: 1.5;
    text-align: center;
}

.semester-container {
    display: flex; /* Arrange semesters horizontally */
    flex-wrap: wrap; /* Allow semesters to wrap to next line if needed */
    margin: 10px 0; /* Add some margin */
}

.semester {
    flex: 1 0 20%; /* Each semester takes 20% width */
    margin: 5px;
    padding: 10px;
    border: none;
    outline: none;
    color: rgb(255, 255, 255);
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
  }
.semester:before {
    content: "";
    background: linear-gradient(
      45deg,
      #ff0000,
      #ff7300,
      #fffb00,
      #48ff00,
      #00ffd5,
      #002bff,
      #7a00ff,
      #ff00c8,
      #ff0000
    );
    position: absolute;
    top: -2px;
    left: -2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    -webkit-filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing-search-btn 20s linear infinite;
    transition: opacity 0.3s ease-in-out;
    border-radius: 10px;
  }
  
  @keyframes glowing-semester {
    0% {
      background-position: 0 0;
    }
    50% {
      background-position: 400% 0;
    }
    100% {
      background-position: 0 0;
    }
  }
  
  .semester:after {
    z-index: -1;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #222;
    left: 0;
    top: 0;
    border-radius: 10px;
  }

h2 {
    margin-bottom: 10px; /* Add some margin below semester heading */
    color: #98e7f8;
}

#semestersubject {
    color: #131414;
    background: #98e7f8;
    margin-top: 30px;
    margin-bottom: 20px;
}

#playlist-container {
    margin-top: 50px;
    margin-bottom: 20px;
    width: 20%;
    text-align: center;
    margin-left: 40%;
    border-radius: 10px;
    background-color: #252827;
}
#playlist-container a {
    color: #00d5ff;
    text-decoration: none;
    font-weight: bold;
    
    
}
select ,
/* CSS */
.search-btn {
    padding: 0.6em 2em;
    border: none;
    outline: none;
    color: rgb(255, 255, 255);
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    margin-bottom: 30px;
  }
  .search-btn:before {
    content: "";
    background: linear-gradient(
      45deg,
      #ff0000,
      #ff7300,
      #fffb00,
      #48ff00,
      #00ffd5,
      #002bff,
      #7a00ff,
      #ff00c8,
      #ff0000
    );
    position: absolute;
    top: -2px;
    left: -2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    -webkit-filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing-search-btn 20s linear infinite;
    transition: opacity 0.3s ease-in-out;
    border-radius: 10px;
  }
  
  @keyframes glowing-search-btn {
    0% {
      background-position: 0 0;
    }
    50% {
      background-position: 400% 0;
    }
    100% {
      background-position: 0 0;
    }
  }
  
  .search-btn:after {
    z-index: -1;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #222;
    left: 0;
    top: 0;
    border-radius: 10px;
  }

select {
    width: 100%; /* Make the select element fill the available space */
}