#main_page_kullaniciler_users{
   margin-left: 0.3%;
    max-width: 99%;
    margin-top: 10%;
    max-height: 50vh;
    overflow-x: auto;
    background-color: darkblue;
}
#main_page_kullaniciler_users div{
    width: 11.11%;
    height: 10vh;
    float: left;
    border: 2px solid black;
    background-color: azure;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    line-height: 300%;
   
}
.btn_kullanici{
    margin-left: 20%;
}
select {
    width: 60%;
}
#colums_name{
    width: 100%;
    font-size: 22px;
    font-weight: bold;
    position: absolute;
    margin-top: -3%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}
#a1{
  background-color: green;  
}