body {
    width: 100vw;
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.center {
    margin: auto;
    display: block;
    align-items: center;
}

.center_2 {
    margin: auto;
    display: flex;
    justify-content: center;
}

.button_1 {
    width: 100px;
    height: 100px;
    margin: auto;
    border-radius: 50%;
    background-color: rgb(255, 0, 0);
}

.button_2 {
    width: 5px;
    height: 5px;
    margin: auto;
    border-radius: 50%;
    background-color: rgb(255, 0, 0);
}

.sq {
    width: 250px;
    height: 200px;
    background-color: rgb(255, 0, 0);
}

a {
    text-decoration: none;
    text-align: center;
    text-decoration: none;
    color: black;
}