* {
    overflow: hidden;
}

.okvir {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #000;
}

h1 {
    position: relative;
    font-family: sans-serif;
    text-transform: uppercase;
    font-size: 6vh;
    font-style: bolder;
    letter-spacing: 0.4vw;
    background: linear-gradient(90deg, black, skyblue, black);
    background-repeat: no-repeat;
    background-size: 80%;
    animation: animate 3s linear infinite;
    -webkit-animation: animate 3s linear infinite;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes animate {
    0%{
        background-position: -500%;
    }
    100% {
        background-position: 500%;
    }
}