body {
    margin-top: 5vh;
    margin-bottom: 5vh;
    margin-right: 5vw;
    margin-left: 5vw;
    padding: 0;
    color: rgba(0, 0, 0, 0.87);
    /* background-color: #000000;  */
    background-color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
}

.center{
    display: flex;
    flex-direction: column;
    align-items: center;   /* horizontal centering */
    justify-content: center; /* vertical (optional) */
    align-items: center;
    text-align: center;
}

/* #app {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
} */

.spritePosition {
    margin: 10px 0 0 10px;
    font-size: 0.8em;
}

.button {
    width: 140px;
    margin: 10px;
    padding: 10px;
    background-color: #000000;
    color: rgba(255, 255, 255, 0.87);
    border: 1px solid rgba(255, 255, 255, 0.87);
    cursor: pointer;
    transition: all 0.3s;

    &:hover {
        border: 1px solid #0ec3c9;
        color: #0ec3c9;
    }

    &:active {
        background-color: #0ec3c9;
    }

    /* Disabled styles */
    &:disabled {
        cursor: not-allowed;
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: rgba(255, 255, 255, 0.3);
    }
}