@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;700&display=swap');

* {
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    background: linear-gradient(#f8f4c2 30%, #6770f7);
    font-family: 'Raleway', sans-serif;
    font-weight: bold;
}


img {
    width: 250px;

}

.Download-btn {
    margin: 1.5%;
    position: relative;
    padding: 25px 60px;
    color: #004649;
    text-decoration: none;
    text-transform: uppercase;
    transition: 1.5s;
    letter-spacing: 4px;
    overflow: hidden;
    font-size: 22px;
}

.Download-btn:hover {
    background: #010a30de;
    color: #fff783;
    box-shadow: 0 0 5px #010a30de,
        0 0 25px #010a30de,
        0 0 50px #010a30de,
        0 0 200px #010a30de;

}

.lng-btn {
    position: relative;
    top: 2px;
    left: -47%;    
    font-size: 17px;
    cursor: pointer;
    text-decoration: none;
    color: #004649;
    padding: 25px 30px;



}

.earth-btn {
    position: relative;
    top: 1px;
    font-size: 20px;
    border: none;
    cursor: pointer;
    background-color: #f8f5c200;
    color: #004649;
}


a:nth-child(1) {
    filter: hue-rotate(360deg);
}

a span {
    position: absolute;

}

a span:nth-child(1) {
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #004649);
    animation: animate1 1s linear infinite;
}

@keyframes animate1 {
    0% {
        left: -100%;
    }

    50%,
    100% {
        left: 100%;
    }
}

a span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #004649);
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}

@keyframes animate2 {
    0% {
        top: -100%;
    }

    50%,
    100% {
        top: 100%;
    }
}

a span:nth-child(3) {
    bottom: 0;
    right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #004649);
    animation: animate3 1s linear infinite;
    animation-delay: 0.50s;
}

@keyframes animate3 {
    0% {
        right: -100%;
    }

    50%,
    100% {
        right: 100%;
    }
}


a span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #004649);
    animation: animate4 1s linear infinite;
    animation-delay: 0.75s;
}

@keyframes animate4 {
    0% {
        bottom: -100%;
    }

    50%,
    100% {
        bottom: 100%;
    }
}




.overlay {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    width: 50%;
    height: 37%;
    font-size: 20px;

    transition: opacity 1s ease-out;
    bottom: -9%;
    align-content: center;
    padding: 15px;
    color: #004649;

    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0px 3px 32px 13px rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(0px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-dl {
    width: 7%;
    font-size: 25px;
    border-radius: 31%;
    cursor: pointer;
    background: #00595e67;
    border: 1px ridge;
}

.div-btn-dl :hover {
    background-color: #003033be;
}

.div-btn-dl {
    display: flex;
    justify-content: flex-end;

}
@media only screen and (max-width: 900px) {
    .Download-btn{
        margin: 4%;
        
    }

    .overlay{
        width: 70%;
        height: 30%;
    }
    .btn-dl{
        width: 10%;
    }
    .lng-btn {
        position: relative;
        top: 2px;
        left: -43%;
    }
    body{
        background: linear-gradient(#fcfac3 10%, #2732d1);
    }
}