body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;

    background: linear-gradient(to right, #cec7bd, #cabfab);
    font-family: Arial, sans-serif;
}

#calculator-container {
    border: 3px solid black;
    border-radius: 1px 1px 10px 10px;
    display: flex;
    flex-direction: column;
    width: 35em;

    background: linear-gradient(45deg, #414b66, #06234f);
    box-shadow: 5px -1px 10px 3px #6b5e4b;
}

#display-container {
    display: flex;
    justify-content: center;
    height: 6em;
    margin-top: 2em;
}

#display-frame {
    border: 2px solid black;
    border-radius: 1px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    background-color: #6e6a5e;
    margin: 1em 0;
    box-shadow: 1px 0px 1px 1px inset #2d3439;

}

#display-box {
    border: 1px solid black;
    border-radius: 5px;
    box-shadow: 1px 0px 1px 1px inset #26210e;
    width: 95%;
    height: 80%;
    font-family: 'VT323', monospace;
    font-size: 4em;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 .2em;
    background-color: #6c6b4c;
    color: #060200;
    letter-spacing: .075em;
}

#header {
    display: flex;
    justify-content: space-around;
    margin: .25em 0 .5em 2em;
    color: #bcbfb8;
}

h1 {
    font-size: 1.4em;
}

h2 {
    font-size: 2.3em;
    font-weight: 600;
}

button {
    text-align: center;
    padding: 0;
    height: 2em;
    width: 3em;
    margin: .5em .3em;
    font-size: 2em;
    font-weight: 600;
    background-color: #d2cbb1;
    color: #06234f;
    box-shadow: 2px -1px 5px 1px #120d12;
    border: 2px solid black;
    cursor: pointer;
    transition: 0.2s all;
}

button:active {
    transform: scale(0.98);
    box-shadow: 1px 0px 3px 0px #120d12;
}

.red-button {
    background: linear-gradient(45deg, #973e2e, #992a1f);
    color: #ffdad0;
}

#button-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2em;
}

#right-buttons {
    display: flex;
    flex-direction: column;
    margin-left: 2em;
}

@media only screen and (max-width: 500px) {
    body {
        font-size: 10px;
    }
}

@media only screen and (max-width: 280px) {
    body {
        font-size: 8px;
    }
}