@font-face {
    font-family: 'DS-Digital Bold Italic';
    font-style: normal;
    font-weight: normal;
    src:  url('../font/DS-DIGIT.woff') format('woff');
}
@font-face {
    font-family: Barlow;
    src: local('KalamRegular'), url('../font/barlow-semi-condensed.regular.ttf') format('truetype');
}
body{
    direction: ltr;
    margin: 0;
    padding: 0;
    background: black;
}
.body{
    padding: 15px 10px 10px 10px ;
    width: 500px;
    height: 365px;
    margin: 100px auto;
    display: flex;
    justify-content: center;
    flex-direction: column;
    font-family: Barlow;
    border: 1px solid white;
    border-radius: 10px;
    background: rgb(32, 32, 32);
}
.monitor{

    height: 50px;
    padding: 0;
    width: 100%;
    background: rgb(32, 32, 32);
    display: flex;
    justify-content: center;


}
.button{
    width: calc(100% - 20px);
    height: auto;
    background: rgb(32, 32, 32);
    padding: 10px;
    margin-top: 5px;
}
.button > div{
    display: flex;
    justify-content: left;
    flex-direction: row;
}
.button > div div{
    margin: 5px;
    width: 33%;
    padding: 18px 0;
    font-size: 30px;
    background: rgb(59, 59, 59);
    height: 30px;
    text-align: center;
    color: white;
    border-radius: 15px;
    cursor: pointer;
    transition: all linear 0.1s;
    box-shadow: 1px 1px 6px black;
}

/*........................................................................*/
#monitor{
    font-family: 'DS-Digital Bold Italic';
    width: calc(90% - 10px);
    height: 100%;
    font-size: 30px;
    display: inline-block;
    margin: 0;
    color: white;
    padding: 0 5px;
    background: transparent;
    outline: none;

    border: 1px solid rgba(256,256,256,0.4);
}
#cross,#sub,#sum,#divide{
    background: rgb(50, 50, 50);

}
#cross:hover{
    background: rgb(59, 59, 59);

}
#sub:hover{
    background: rgb(59, 59, 59);

}
#sum:hover{
    background: rgb(59, 59, 59);

}
#divide:hover{
    background: rgb(59, 59, 59);

}
#cross:active{
    background: rgb(50, 50, 50);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#sub:active{
    background: rgb(50, 50, 50);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#sum:active{
    background: rgb(50, 50, 50);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#divide:active{
    background: rgb(50, 50, 50);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#equal{
    background: rgb(219, 175, 179);

}
#equal:hover{
    background: rgb(170, 137, 139);

}
#equal:active{
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#c{
    background: rgb(254, 64, 64);
    box-shadow: 1px 1px 6px black;
}
#c:hover{
    background: rgb(202, 52, 52);
}
#c:active{
    background: rgb(254, 64, 64);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
/* number*/
#num0:hover{
    background: rgb(50, 50, 50);
}
#num1:hover{
    background: rgb(50, 50, 50);
}
#num2:hover{
    background: rgb(50, 50, 50);
}
#num3:hover{
    background: rgb(50, 50, 50);
}
#num4:hover{
    background: rgb(50, 50, 50);
}
#num5:hover{
    background: rgb(50, 50, 50);
}
#num6:hover{
    background: rgb(50, 50, 50);
}
#num7:hover{
    background: rgb(50, 50, 50);
}
#num8:hover{
    background: rgb(50, 50, 50);
}
#num9:hover{
    background: rgb(50, 50, 50);
}
#num0:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num1:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num2:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num3:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num4:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num5:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num6:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num7:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num8:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}
#num9:active{
    background: rgb(59, 59, 59);
    box-shadow: inset 0px 1px 6px 0px rgb(0, 0, 0);
}