* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

html {
    scroll-behavior: smooth;
}

main {
    padding: 2rem;
}

header {
    background: #2856A3;
    background: linear-gradient(90deg,rgba(231, 42, 64, 1) 0%, rgba(40, 86, 163, 1) 50%, rgba(40, 89, 163, 1) 100%);
    position: relative;
    background-size: 100% 100%;
    color: white;
    padding: 20px;
    text-align: center;
    animation: unset;
    z-index: 300;
    animation: gradient-fusion 1.5s;
}

.logo {
    max-height: 80px;
    animation: show-slowly 2s;
}

@keyframes gradient-fusion {
    0% { background-size: 600%; }
    100% { background-size: 100%; }
}