reference.css

body {
    color: white;
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url("images/universe.jpg");
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
a {
    cursor: pointer;
    text-decoration: none;
    color: #7bd3f1;
}
table {
    width: 95%;
    height: fit-content;
    margin: 10px auto;
    border: solid white 3px;
}
tr{
    border: solid white 3px;

}
#content {
    color: white;
    font-size: 20px;
    font-weight: bolder;
    text-align: center;
}
#head1, #head2 {
    color: white;
    font-weight: bolder;
    font-size: 15px;
}
.flex-container {
    position: sticky;
    margin: 0 auto;
   /* border: white 5px solid; */
    height: 10vh;
    width: 95%;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: stretch;
    align-content: normal;
  }
  
  .flex-items:nth-child(1) {
    padding: 0;
    margin: auto;
    /* border: white 3px solid; */
    height: 8vh;
    width: 25%;
    display: flex;
    flex-grow: 0;
    flex-shrink: 1;
    flex-basis: auto;
    align-items: center;
    align-self: auto;
    order: 0;
  }
  button:hover {
    box-shadow: 0 0 8px rgba(214, 127, 255, 0.526);
    background-color: #45a049; /* Darker background color on hover */
}
  button {
    padding: 10px 20px; /* Add padding for better appearance */
    font-size: 16px; /* Adjust font size for readability */
    background-color: #4CAF50; /* Set background color */
    color: white; /* Set text color */
    border: none; /* Remove border */
    border-radius: 5px; /* Add border radius for rounded corners */
    cursor: pointer; /* Change cursor on hover */
    transition: background-color 0.3s ease; /* Add transition for smooth hover effect */
    top: 30;
    /* margin-left: auto; */
    margin-right: auto;
  }
  .flex-items:nth-child(2) {
    margin: auto;
    /* border: white 3px solid; */
    height: 8vh;
    width: 47%;
    display: block;
    flex-grow: 0;
    flex-shrink: 1;
    flex-basis: auto;
    align-self: auto;
    order: 0;
  }