styles.css

:root {
    --size: 16;
}

body {
    margin: 0;
    padding: 0;
    background: lightblue;
}

.main {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header {
    text-align: center;
    padding: 1.5%;
    margin-bottom: 50px;
    border: solid black 5px;
    color: #00132C;
    font-family: 'Poppins', sans-serif;
    font-family: 'Rowdies', cursive;
    padding-right: 35px;
    background-color: beige;
    font-size: large;
}

.container {
    padding: 0px;
    margin: 0px;
    display: grid;
    border: solid black;
    min-height: 0;  
    min-width: 0; 
    height: 500px;
    width: 500px;
    border-radius: 0.5em;
    grid-template-columns: repeat(var(--size), 1fr);
    grid-template-rows: repeat(var(--size), 1fr);
    box-shadow: 10px 10px;
}

.square {
    padding: 0px;
    margin: 0px;
    overflow: hidden; 
    min-width: 0;    
    background-color: white;
    border: solid black 1px;
}

.color {
    color:black;
    background-color: black;
}

.button-container {
    flex: 1;
    margin-top: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
}

.button-51 {
  background-color: white;
  border: 1px solid #266DB6;
  box-sizing: border-box;
  color: #00132C;
  font-family: "Avenir Next LT W01 Bold",sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  padding: 16px 23px;
  position: relative;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-51:hover,
.button-51:active {
  outline: 0;
}

.button-51:hover {
  background-color: transparent;
  cursor: pointer;
}

.button-51:before {
  background-color: #D5EDF6;
  content: "";
  height: calc(100% + 3px);
  position: absolute;
  right: -7px;
  top: -9px;
  transition: background-color 300ms ease-in;
  width: 100%;
  z-index: -1;
}

.button-51:hover:before {
  background-color: #6DCFF6;
}

@media (min-width: 768px) {
  .button-51 {
    padding: 16px 32px;
  }
}

.footer {
    display: flex;
    margin-top: auto;
    justify-content: center;
    align-items: center;
    border:solid black;
    padding: 20px;
    font-family: 'Poppins', sans-serif;
    font-family: 'Rowdies', cursive;
    background-color: beige;
    margin-top: 35px;
}

.fa-github {
    color: var(--primary-light);
    font-size: 24px;
    transition: transform 0.3s ease-in-out;
}
  
.fa-github:hover {
    transform: rotate(360deg) scale(1.2);
}