*{
    margin:0;
    padding:0;
    outline:none;
    box-sizing:border-box;

}

body{
    font-style:montserrat ;
    display:flex ;
    text-align: center;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(#9cebfc,#6ae1fb);
}

.center{
    width: 350px;
    background:black;
    border-radius:20px;
}

input[type="text"] {
    height:60px;
    width:300px;
    margin-top:40px;
    border-radius:1px;
    border:1px solid #e1e7ea;
    color:black;
    font-size: 22px;
    font-weight: bold;
    text-align: right;
    padding-right: 20px;
    background:linear-gradient(#d1dce0,#dfe6e9);
}

form .buttons{
    width:300px;
    margin:10px 25px 0 25px;
    padding:10px 0;

}

input[type="button"]{
    width:58px;
    height:55px;
    margin:5px;
    font-size:22px;
    line-height: 55px;
    border-radius: 3px;
    border:1px solid #d9d9d9;
    background:linear-gradient(#d9d9d9,#bfbfbf) ;

}

input[type="button"]:hover{
    transition:.5s;
    background: linear-gradient(#bfbfbf,#d9d9d9);
}

#clear{
    background: #ff1a1a;
    border:1px solid #cc0000;
    color:white;
}


#equal{
    width:27px;
    margin:10px 0 10px 0;
    font-size: 30px;
    columns: white;
    background:#ff3d00 ;
    border:1px solid #b32a00;


}