body{
    margin: 0;
    font-weight: bold;
    font: Poppins;
    height: 100%;
    overflow: hidden;
}
#center_container{
    width: 100%;
    padding-top: 100px;
    font-size: 30px;
    display: flex;
    flex-wrap: wrap;
    background-color: #1A1A1A;
    overflow: hidden;
}
#center_container div{
    max-width: 40%;
}
#app_description_text{
    font-size: 24px;
    margin-bottom: 40px;
}
#text_container{
    margin: 0 100px;
    color: #E8E8E8;
}
#big_img{
    width: 130%;
}

@media (max-width: 768px) {
    #center_container {
        flex-direction: column;
        padding: 0;
    }
    #center_container div{
        max-width: 100%;
        margin: 0 30px;
        text-align: center;
    }
    #big_img{
        position: relative;
        left: 50%;
        transform: translateX(-50%);
        margin-top: 40px;
    }
    #app_header_text{
        font-size: 150%;
    }
}

#logo_img{
    margin: 0 20px;
}

#navbar{
    padding: 20px;
    border: 1px solid #4A4A4A;
    font-size: 20px;
}

#download_btn {
    border-radius: 10px;
    font-size: 20px;
    padding: 15px 40px;
    font-weight: bold;
}

#navbar div{
    display: flex;
    align-items: center;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

#app_header_text {
    background-clip: text;
    color: transparent;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}