:root {
    --imac: 1920px;
    --desktop: 1200px;
    --laptop: 1024px;
    --tablet: 768px;
    --mobile: 480px;
}

body {
    background: #000F30;
    display: flex;
    justify-content: center;
    align-items: center; 
    margin: 0px;
    padding: 0px;
    height:100vh; 
}
.theme_section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin:0px;
    padding: 0px;
}

.theme_section img {
    height: 100%;
    width: 110%;
    margin-bottom:0px;
}

.center_nav {
    width: 100%;
    border: 10px solid #045cb3;
    border-radius: 60px;
    background-image: linear-gradient(90deg, rgba(254, 152, 94, 1) 38%, rgba(1, 207, 255, 1) 65%);
    margin-bottom: 18px;
    margin-left: 0px;
}

.center_nav ul {
    width: 705px;
    height: 75px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    list-style: none;
    padding: 0px;
    margin:0px;
}

.center_nav ul li {
    margin: 2px;
    ;
    color: rgb(21, 10, 10);
}

.center_nav ul li a img {
    height: 85px;
}

@media (max-width:678px) {
    body {
        background: #000F30;
        display: flex;
        justify-content: flex-start;
        align-items: center; 
        margin: 0px;
        padding: 0px;
        height:100%; 
    }
    .theme_section {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin:0px;
        padding: 0px;
    }

    .theme_section img {
      height: 1180px;
      width: 100%;
    }
    .center_nav {
        width: 90%;
        height:140px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

.center_nav ul li {
    margin: 2px;
    ;
    color: rgb(21, 10, 10);
}

.center_nav ul {
    width: 715px;
    height: 85px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    list-style: none;
    padding: 0px;
    margin:0px;
}
.center_nav ul li a img {
    height: 110px;
}
      
}