*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", system-ui;
}

header{
    padding: 20px;

    text-align: center;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #5a13cc;
}

.app{
    display: flex;
    justify-content: center;

    padding: 10px;
}

.container{
    width: 50%;
}

.params{
    margin: 0px auto 20px;

    display: flex;
    flex-direction: column;
    gap: 10px;
}

#rectangle{
    width: 100px;
    height: 100px;

    margin: 10px auto;

    border: 1px solid #c6c6c6;
}

.input-wrapper{
    width: 200px;
    margin: auto;

    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-wrapper input{
    width: 50px;
}

.css-box{
    margin: 10px auto;
}

.css-box textarea{
    width: 100%;
    min-height: 200px;

    padding: 5px;

    resize: none;
}

select, button{
    padding: 5px;
}

footer{
    display: flex;
    justify-content: center;

    margin: 20px 0 0;
}

footer a{
    text-decoration: none;
    font-weight: 600;
}

@media screen and (width <= 600px) {
    .container{
        width: 100%;
    }
}