@media screen and (max-width:500px){
    .main {
        padding: 0 15px;
    }
    .container, .app_container{
        padding: 15px;
    }
    .app_image img {
        max-width: 80px;
    }
    .app_image p {
        font-size: 13px;
    }
    .app_name {
        font-size: 18px;
    }
    .items {
        font-size: 13px;
        font-weight: 600;
    }
    .item_span img {
        height: 12px;
    }
    .rating{
        padding: 4px 6px;
        font-size: 11px;
        top: 13px;
    }
    .rating img {
        width: 10px;
        margin-right: 2px;
    }
    .ios {
        margin-right: 5px;
    }
    .logo img{
        width: 200px;
    }
}

@media screen and (max-width:400px){
    .app_name {
        font-size: 16px;
    }
    .items {
        font-size: 11px;
    }
    .choose_device {
        font-weight: 700;
        font-size: 11px;
    }
    .down_buttons {
        margin-top: 5px;
    }
    .down_buttons button {
        font-size: 11px;
    }
}