body {
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    background-color: #018281;
    justify-content: center; 
    align-items: center;
}




.kalkulater-container {
   
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    /* border: 20px solid rgb(0, 47, 255); */
    /* background-color: rgb(129, 36, 36); */
    background: #c0c0c0;
    align-items: center;
    /* width: 200px; */
    border: 2px outset #c0c0c0;
    overflow: hidden;
}

#exeTitle {
    padding: 12px;
    background: 20px #000080;
    color: white;
}

.kalkulater-container div{
    display: flex;
    flex: 1;
    /* border: 10px solid rgb(0, 47, 255); */

    padding: 100px; 
    width: 300px;
 
}

#display-output {
        border: 10px inset #ececec;

    flex-wrap: nowrap;
    display: flex;
    flex-direction: column;
    align-items: end;    
    font-family: "MS Sans Serif", "Tahoma", sans-serif;    height: 10px; 
    width:260px;
    /* padding-left: 0px;
    padding-top: 10px; */
    /* padding: 5vh 0px 12vh 5vh */
    padding: 10px;
    
}



#buttons-container{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    padding: 10px;
    border: 0px;
    
  
}

#button-nums, #button-operators {
    display: flex;
    padding: 0;
    flex: 1;
    flex-wrap: wrap;
    /* border: 10px solid rgb(0, 47, 255); */
  border: 10px inset #ececec;

} 


button {
    flex: 1;
    width: 70px;
    height: 50px;
    padding: 1.1em;
    text-align: center;

}

#button-nums {
    width: 350px;
}

#zero-button {
    flex-grow: 2;
}

#equals-button {
    flex-grow: 5;
}