* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-weight: 400;
    font-family: 'Helvetica', sans-serif;
    color: #fff;
}

body {
    background-color: #000;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

#loader {
    position: fixed;
    width: 100vw;
    height: 100vh;
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #fff;
    border-top: 5px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}