body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(305deg, rgb(49, 50, 68), rgb(17, 17, 27));
    color: #fff;

    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    flex-direction: column;
}

.header {
    font-size: 2.5em;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 0px 2.5px 5px rgba(255, 255, 255, 0.8);
    user-select: none;
}

.footer {
    user-select: none;
}

.link {
    color: rgb(255, 255, 255);
    text-decoration: none;
    position: relative;
    transition: color 0.25s ease;
}

.link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0%;
    height: 2px;
    background-color: rgb(255, 255, 255);
    transition: width 0.25s ease;
}

.link:hover::after {
    width: 100%;
}


@keyframes shine {
  0% {
    transform: translate(-100%, -100%);
  }
  100% {
    transform: translate(100%, 100%);
  }
}