* {
    box-sizing: border-box;
    margin: 0;
}
header {
    display: flex;
    align-items: center;
    justify-content: center;
}
body {
    background-color: rgb(0, 0, 0);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    color: orange;
}
#buttons {
    display: flex;
    align-items: center;
    justify-content: center;

}

#buttons > #random-btn {
    padding: 5px;
    margin: 2px;
}

#buttons > #balance-btn {
    padding: 5px;
    margin: 2px;
}

main {
    flex-grow: 1;
}

.hero-table {
    display: flex;
    flex-wrap: wrap;
    border: 10px black;
    flex-direction: row;
    min-height: 30vh;
   
}
.hero-selection {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

img {
    width: 15vh;
    height: 15vh;
}

footer {
    display: flex;
    align-items: center;
    height: 3rem;
}