*{
    margin: 0;
    padding: 0;
}

body{
    height: 100vh;
    /* background-color: #f8faf9; */
    background-color: aliceblue;
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator{
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    gap: 20px;
    padding: 35px 30px;
    border-radius: 25px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.12);
}

input{
    font-family: 'Fredoka One', sans-serif;
    font-size: 20px;

    padding: 20px 15px;
    border-radius: 30px;
    text-align: end;
    border: none;
    background-color: #2388ff;
    color: #ffffff;
}

.buttons{
    display: grid;
    
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 10px;
}

button {
    display: flex;
    align-items: center;
    justify-content: center;

    font-family: 'Fredoka One', sans-serif;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    height: 60px;
    width: 60px;
    border: none;
    background-color: #d8ddf0;
    color: #5e657d;
    transition: all 0.15s ease-in-out;
}
button:hover{
    transform: scale(1.1);
    /* background-color: #c1c5d8;  */
}

.clear{
    background-color: #1f2b54;
    color: #ffffff;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3); 
}

.sub{
    background-color: #ff445a;
    color: #ffffff;
}

.divi{
    background-color: #2388ff;
    color: #ffffff;
}

.mul{
    background-color: #ffc804;
    color: #ffffff;
}

.add{
    background-color: #63de77;
    color: #ffffff;
}

.eq{
    background-color: #f5f7ff;
    color: #5e657d;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3); 
}

.clear-entry{
    background-color: #f5f7ff;
    color: #5e657d;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3); 
}

.ex{
    background-color: #f5f7ff;
    color: #5e657d;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3); 
}