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

body{
    background-color: black;
}

span{
    font-family: Helvetica, Sans-Serif;
    color: white;
    width: 100vw;
    height: 25vh;
    display: flex;
    align-items: end;
    justify-content: end;
    font-size: 3.8rem; /* 60px */
    padding-right: 1.9rem; /* 30px */
    padding-bottom: 0.83rem; /* 13px */
}

.allbtn{
    width: 100vw;
    height: 75vh;
    display: grid;
    grid-template-columns: auto auto auto auto;
    justify-items: center;
    align-items: center;
    justify-content: space-around;
    align-content: space-around;
}

.btn{
    display: flex;
    border: none;
    border-radius: 3.2rem; /* 50px */
    height: 5rem;
    width: 5rem;
    font-size: 1.9rem; /* 30px */
    justify-content: space-around;
    align-content: space-around;
    align-items: center;
}

.og{
    background-color: orange;
    color: white;
    font-size: 2.53rem; /* 40px */
}

#equal:active{
    background-color: rgb(255, 201, 139);
    color: white;
    font-size: 2.53rem; /* 40px */
}

.lg{
    font-weight: 500;
    background-color: rgb(169, 169, 169);
    color: black;
}
.lg:active{
    animation: colorChangelg 1s ease-out 0s;
}


.dg{
    font-size: 2.53rem; /*: 40px; */
    background-color: rgb(78, 78, 78);
    color: white;
}


.dg:active{
    animation: colorChangedg 1s ease-out 0s;
}


.fat{
    grid-column: 1/3;
    width: 10rem;
    justify-content: start;
    padding-left: 1.6rem; /* 25px */
}

.outputfield{
    grid-column: 1;
}

@keyframes colorChangelg {
    0%{
        background-color: rgb(230, 230, 230);
    }
    /* 50%{
        background-color: rgb(230, 230, 230);
    } */
    100%{
        background-color: rgb(169, 169, 169);
    }
}

@keyframes colorChangedg {
    0%{
        background-color: rgb(140, 140, 140);
    }
    /* 50%{
        background-color: rgb(140, 140, 140);
    } */
    100%{
        background-color: rgb(78, 78, 78);
    }
}