.search_menu{
    margin-top: 20px;
}
.auto_center_search{
    max-width: 200px;
}
.left_search_btn{
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}

@media screen and (max-width: 1100px){
    .search_menu{
        margin-top: 0;
        width: 100%;
        border-radius: 0;
    }
    .auto_center_search{
        max-width: initial;
    }
    .left_search_btn{
        border-top-left-radius: 0px;
        border-bottom-left-radius: 0px;
    }
}