h1
{
    text-align: center;
}

#container
{
    display: flex;
    justify-content: space-evenly;
}

.card
{
    margin: 2px;
    min-width: 44%;
    height: 630px;
    overflow: auto;
    border: solid 3px #a5d8ff;
    border-radius: 20px;
    background-color: #d0ebff;
    padding: 20px;
    font-size: 1.5em;
    resize: none;
    outline: none;
}

.card::selection
{
    background-color: white;
    color: hsl(240, 100%, 62%);
}

.card:focus
{
    border: solid 3px #a5d8ff;
}

#controller
{
    display: flex;
    justify-content: center;
    margin: 25px;
}

#runBtn
{
    min-width: 200px;
    height: 40px;
    background-color: #1864ab;
    color: white;
    border: solid 3px #228be6;
    border-radius: 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 1.1em;
    transition: all 0.2s ease-in-out;
}
#runBtn:hover
{
    min-width: 220px;
}

@media screen and (max-width:600px) 
{
    #container
    {
        flex-wrap: wrap;
        justify-content: center;
        row-gap: 10px;
    }
    .card
    {
        min-width: 80%;
        height: 380px;
        font-size: 17px;
    }
}