* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Opificio";
}

html {
    height: 100%;
}

body {
    display: grid;
    min-height: 100%;
    grid-template-rows: 20% 1fr 10%;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;

    padding: 30px;
}

header img {
    margin-top: 100px;
    max-height: 350px;
}

main {
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 100px;
    align-items: center;

    padding-right: 40px;
    padding-left: 40px;
}

main h1 {
    font-size: 60px;
    text-align: center;
}

.buttons {
    display: flex;
    gap: 50px;
}

main p {
    font-size: 30px;
}

main p a {
    text-decoration: none;
    margin-left: 5px;
    cursor: pointer;
    color: #003169;
}

.button {
    width: 320px;
    height: 320px;

    padding: 20px;
    box-shadow: 1px 3px 5px -2px rgba(0, 0, 0, 0.75);
    -webkit-box-shadow: 1px 3px 5px -2px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 1px 3px 5px -2px rgba(0, 0, 0, 0.75);

    border-radius: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.button img {
    max-width: 282px;
    height: 208px;
}

.app p {
    margin-top: 15px;
    text-align: center;
}

.hero_area {
    position: relative;
}

.waves {
    position: absolute;
    width: 100%;
    height: 100vh;
    min-height: 100px;
    max-height: 150px;
    bottom: 0;
    left: 0;
}

.parallax > use {
    animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
}

.parallax > use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s;
}

.parallax > use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

.parallax > use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}

.parallax > use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0);
    }

    100% {
        transform: translate3d(85px, 0, 0);
    }
}

/*Shrinking for mobile*/

@media (max-width: 768px) {
    .waves {
        height: 40px;
        min-height: 40px;
    }
}