* {
    margin:0; 
    padding:0;
    box-sizing: border-box;
}
html {
    font-family: 'Arial', sans-serif;
    font-size: 20px;
    background-image: linear-gradient(rgba(0, 170, 255, 0.614), rgb(255, 255, 255));
    height: fit-content;
    min-height: 100vh;
    overflow-x: hidden;
}
body {
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
      -webkit-user-select: none; /* Safari and older Chrome */
      -moz-user-select: none;    /* Firefox */
      -ms-user-select: none;     /* Internet Explorer/Edge */
      user-select: none; 
}
/*  */
    .spinner {
        border: 0.2rem solid rgb(0, 0, 0);
        margin: 0 auto;
        width: 1.2rem;
        height: 1.2rem;
        border-radius: 50%;
        border-left-color: rgb(255, 255, 255);
        animation: spin 1s ease infinite;
    }
    @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
    }
/*  */

@media (max-width: 700px) {
    html {
        font-size: 5vw;
    }
}