index.css

*{
    margin: 0;
    padding: 0;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(203, 217, 206, 0.08);
}
.heading{
    margin-top: 20px;
    letter-spacing: 2px;
    font-family: 'Outfit', sans-serif;
    grid-column: span 9;
    color: rgb(105, 103, 103);
}
.container{
    border-radius: 13px;
    border: 11px solid rgb(104, 101, 101);
    position: relative;
    top: 130px;
    width: 250px;
    height: 400px;;
    display: grid;
    grid-template-rows: 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr;
    grid-template-columns: 0.1fr 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr;
    /* grid-template-rows: 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr 0.2fr;
    grid-template-columns: 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr 0.3fr ; */
    gap: 7px;
    padding: 12px;
    background-color: rgba(108, 183, 224, 0.61);
}

.items{
    background-color: rgba(239, 232, 232, 0.701);
    display: flex;
    justify-content: center;
    align-items: center;
}
.display{
    font-family: 'Rajdhani', sans-serif;
    font-weight:300;
    grid-column: span 9;
    background-color: rgb(59, 58, 58);
    color: white;
    letter-spacing: 1.5px;
    word-break: break-all;
}


.arithmetic{
    grid-column: span 3;
    text-align: center;
    
}
.arithmetic-base{
    font-family: 'Outfit', sans-serif;
    letter-spacing: 2px;
    background-color: rgba(234, 192, 192, 0.678);
    grid-column: span 9;
}


.clicked{
    font-family: 'Outfit', sans-serif;
    font-weight:900;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.674);
    border-color: rgb(255, 255, 255);
    cursor: pointer;
    transition: all 0.2s;
}
.clicked:hover{
    background-color: grey;
}
a{
    text-decoration: none;
   
}
a:visited{
    color: black;
}
.dynamic_text{
    width: 100%;
    height: 100%;
    background-color: red;
}
@media only screen and (min-width: 202px) and (max-width: 255px) {
    .container{
        margin-top: 50px;
        border-radius: 13px;
        width: 300px;
        height: 300px;
        padding: 10px;
    }
  }
  @media only screen and (min-width: 100px) and (max-width: 202px) {
    .container{
        margin-top: 90px;
        border-radius: 13px;
        width: 150px;
        height: 300px;
        padding: 10px;
    }
    .heading{
        font-size: 12px;
    }
  }