:root {
    background-color: #ffffff;
    font-family: "Roboto";
}
.app {
    width: auto;
    height: auto;
    text-align: center;
    user-select: none;
}
.ball-outer{
    width: 70vmin;
    height: 70vmin;
    border-radius: 50%;
    position: relative;
    background: rgb(0,0,0);
    background: linear-gradient(20deg, rgba(0,0,0,1) 26%, rgba(74,74,74,1) 84%);
    border: #000000 1px solid;
    margin: auto;
}
.ball-inner{
    position: absolute;
    justify-content: center;
    align-items: center;
    display: flex;
    left: 17.5vmin;
    top: 17.5vmin;
    width: 35vmin;
    height: 35vmin;
    border-radius: 50%;
    background-color: #ffffff;
    border: black 2px solid;
    margin: auto;
}
.ball-content {
    font-family: "Roboto";
    font-weight: 500;
    font-style: normal;
    text-align: center;
    font-size: 1000%;
    user-select: none;
}
.ball-result {
    display: none;
    /* background-color: #000099; */
    font-family: "Bona Nova SC";
    font-weight: 500;
    font-style: normal;
    text-align: center;
    color: #ffffff;
    user-select: none;
}
.wrapper-btn {
    width: 100%;
    height: 70px;
    padding-top: 2vw;
}
.btn {
    width: 100px;
    height: 50px;
    background-color:darkblue;
    color: #ffffff;
    border: none;
    user-select: none;
}
.btn:hover {
    background-color: #ffffff;
    color:darkblue;
    border: darkblue 1px solid;
}
.footer {
    height: auto;
    font-family: 'Courier New', Courier, monospace;
}