<style>
.alan_container {
height: 450px !important;
width: 100%;
margin: 10px 0px;
overflow: visible !important;
position: relative !important;
display: flex !important;
flex-direction: column !important;
}
.kayan_container {
position: fixed !important;
top: 125px;
overflow: visible !important;
}
</style>

bu kodu dener misiniz hocam