* {
    box-sizing: border-box;
}
html {
    font-size: 62.5%;
}
body {
    background: radial-gradient(circle, rgba(238,174,202,1) 50%, rgba(148,187,233,1) 100%);
    font-family: 'Roboto', sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    max-width: 630px;
    min-height: 630px;
    border: 3px solid black;
    background-color: rgb(238,174,202);
    border-radius: 5px;
    margin: 0 auto;
    box-shadow: 6px 6px 6px black;
    cursor: crosshair;
}

.rectangle {
    display: flex;
    flex: 1;
}

.square {
    flex: 1;
    border: 1px solid #aaa;
}

.header {
    text-align: center;
    font-size: 8rem;
    font-family: 'Satisfy', cursive;
    padding: 10px;
    text-shadow: 4px 4px 4px #aaa;
}

.selections {
    max-width: 630px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding-bottom: 30px;
}

button {
    min-width: 105px;
    min-height: 45px;
    border-radius: 8px;
    font-size: 2rem;
    background-color: rgb(238,174,202);
    border: 3px solid black;
    cursor: pointer;
    box-shadow: 4px 4px 4px #aaa;
}

.highlight {
    background-color: rgb(148,187,233);
    scale: 1.16;
    box-shadow: 4px 4px 6px black;
}