*{
    box-sizing: border-box;
    margin: 0px;    
    padding: 0px;   
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    font-family: sans-serif !important;
}
.container{
    width: fit-content;
    background-color: #666;
    margin: 0px auto;
    padding: 15px;
    padding-top: 20px;
    box-shadow: -1px 1px 4px #d8d8d8 inset;    
    border-radius:10px
}
.display{
    width: 300px;
    outline: none;
    background-color: darkgrey;
    height: 50px;
    border-radius: 4px;
    box-shadow: -1px 1px 20px 0px #ffffff78 inset, 1px -1px 20px 0px #ffffff78 inset;
    border:none;
    margin-bottom: 15px;
    padding: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 3px;
}
.buttons{
    /* padding: 3px; */
    display: grid;
    grid-template-columns: repeat(4,63.75px);
    grid-auto-rows: 40px;
    gap:15px;
}
.buttons button{
    /* aspect-ratio: 1; */
    box-shadow: 0px 18px 59px #61667163 inset;
    outline: none;
    border: none;
    border-radius: 5px;
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
}
.buttons button:hover{
    filter: invert(2);
    transition: .3 ease-in-out;
}
.buttons > .clear{
    grid-column: span 2;
    /* background-color: burlywood; */
    /* توسيع عرض المربع ليشمل خانتين */
}
.buttons > .del{
    background-color: rgba(241, 2, 2, 0.878);
    /* توسيع عرض المربع ليشمل خانتين */
}
.buttons > .equal{
    background-color: aquamarine !important;
}
.buttons > .operats,.clear{
    background-color: burlywood;
}
.result_sc{
    box-shadow:-1px 1px 20px 25px rgba(129, 231, 197, 0.702) inset !important;
}