*{
    box-sizing: border-box;
    margin: 0px;
}

body{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgb(2,0,36);
    background: linear-gradient(176deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(0,212,255,1) 100%);
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100vh;
}

.screen{
    background-color: #f3f3f3;
    width: 300px;
    height: 100px;
    box-shadow: inset 0px 0px 4px black;
    border: solid 1px black;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    padding: 10px;
    font-weight: bolder;
    flex-direction: column;
    border-radius: 5px 5px 0px 0px;
}

.n1{
    font-size: 1em;
    
}

.n2{
    margin: 2px;
    font-size: 2em;
}

.touches{
    width: 300px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background-color: #d9d9d9;
    border: solid 1px black;
    border-radius: 0px 0px 5px 5px;
    box-shadow: 5px 5px 10px black;
}

.touch{
    width: 50px;
    text-align: center;
    background-color: black;
    color: white;
    height: 50px;
    margin: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
}.touch:hover{
    background-color: rgb(90, 90, 90);
    cursor: grab;
}

.touche-egale{
    background-color: green;
}.touche-egale:hover{
    background-color: rgb(1, 177, 1);
    cursor: grab;
}

.touche-reset{
    background-color: orange;
}.touche-reset:hover{
    background-color: rgb(209, 137, 3);
    cursor: grab;
}

h1{
    color: white;
    margin-bottom: 50px;
    text-align: center;
}

button{
    padding: 5px 30px;
    border-radius: 5px;
    border: none;
}