body {
    background-color: #000000;
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}
.navbar {
    border-bottom: 1px solid #dbdbdb;
    background-color: #242938;
}
.navbar form{
    max-width: 550px;
}

.search {
    display: flex;
}
.search button {
    background-color: aliceblue;
    border-radius: 45%;
}
.user {
    max-width: 600px;
}
.repos img {
    border-radius: 10%;
}
@media (max-width: 650px) {
    .navbar-brand img {
      max-height: 40px;
    }
    .user-data {
      text-align: center;
    }
}
@media (max-width: 500px) {
   .repos img {
      height: 100px;
      width: 130px;
      border-radius: 5%;
    }
}

/* pop-up */
#followers,#following {
    cursor: pointer;
}
.popup {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #252525;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    width: 300px;
    height: 500px;
    color: #fff;
    overflow:scroll;
  }
.popup::-webkit-scrollbar {
    display: none;
}
  .overlay {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
  }

  /* Close button */
  .close-btn {
    background-color: #f44336;
    color: white;
    border: none;
    cursor: pointer;
  }