* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background-color: #bd0c0c;
}

body {
    margin: 0 auto;
    background-color: rgba(235, 229, 229, 0.993);
    min-height: 100vh;
    position: relative;
    width: 100%;
    max-width: 600px;
}

.contentdetail {
    width: 100%;
}

.description1 {
    display: block;
    width: 100%;
    height: 100%;
}

.download-app {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    
    z-index: 9999;
    padding:10px 0;
    
}

.download-app .inner-wrapper {
    max-width: 600px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.download-app img {
    width: 50%;
    max-width: 300px;
}

@media (max-width: 600px) {
    body {
        max-width: 100%;
    }

    .description1 {
        width: 100vw;
    }

    div.download-app img {
        width: 50%;
    }
}