body {
    background: #334157;
}

#content {
    text-align: center;
    background: white;
    padding: 1%;
    font-size: 20pt;
    width: 80%;
    margin: auto;
    margin-top: 5%;
    border-radius: 25px;
    box-shadow: 0px -2px 4px rgba(0, 0, 0, 0.1);
}

input, select, textarea {
    font-size: 20pt;
    border-radius: 15px;
    box-shadow: 0px -2px 4px rgba(0, 0, 0, 0.1);
    padding: 1%;
    width:90%;
    margin:0.5%;
}

button:hover {
    cursor:pointer;
}

button {
    font-size: 20pt;
    border-radius:15px;
    padding:1%;
    margin:0.5%;
}

#operation-table {
    width:100%;
    text-align:center;
}

@media (max-width: 769px) {
    input, button, select, textarea {
        font-size: 16pt;
        padding: 2%;
    }
    #content {
        font-size: 16pt;
        width: 90%;
        padding: 2%;
    }
}