* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #292929;
    color: #f0ebeb;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    max-width: 100vw;
}

input[type=radio] {
    border: 1px solid #fff;
    padding: 0.5em;
    -webkit-appearance: none;
    cursor: pointer;
    margin-right: 10px;
    transition: all 0.1s ease-in-out;
}

input[type=radio]:checked {
    background: url(data:image/gif;base64,R0lGODlhAQABAPAAAP///////yH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==) no-repeat center center;
    background-size: 9px 9px;
}

input[type=radio]:focus {
    outline-color: transparent;
}

.container {
    width: 550px;
    border: 1px solid rgb(180, 180, 180);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 1);
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    padding: 10px 20px;
}

.r-button {
    width: 200px;
    height: auto;
    border-radius: 10px;
    margin: 10px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 15px 20px;
    line-height: 1.2;
    background-color: #1D1D1D;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 1);
}

.r-button p {
    margin-top: 10px;
}