:root {
    --primary: #7c009b;
    --secondary: #530068;
    --text: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--primary);
    color: var(--text);
}

header h1 {
    text-shadow: 3px 3px 2px var(--secondary);
}

.column-card {
    display: inline-block;
    /* 48% doesn't seem small enough for whatever reason, subtracting 3px to make it fit
    ideally other css features would be used to get side-by-side elements but this assignment requires
    the inline-block method */
    width: calc(48% - 3px);
    border: 1px solid var(--secondary);
    border-radius: 8px;
    padding: 20px;
    margin: 1%;
}

.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dashed var(--text);
    cursor: help;

    .tooltiptext {
        visibility: hidden;
        width: 180px;
        background-color: var(--secondary);
        color: var(--text);
        text-align: center;
        border-radius: 6px;
        padding: 8px;
        position: absolute;
        bottom: 125%;
        left: 50%;
        margin-left: -90px;
    }

    &:hover .tooltiptext {
        visibility: visible;
    }
}

footer {
    height: 100px;
    padding-top: 15px;
    margin-top: 10px;
    background-color: lightgray;
    color: black;

    text-align: center;
}