h1:focus {
    outline: none;
}

.waiter {
    background-color: transparent;
    height: calc(100vh - 100px);
    width: 100%;
    position: relative;
}

.spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px;
}