*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container{
    position: relative;
    box-shadow: rgba(17, 12, 46, 0.15) 0px 48px 100px 0px;
    height: 400px;
    width: 400px;
    border: 2px solid #3635DB;
    border-radius: 15px;
    background-color: whitesmoke;
    display: flex;
    justify-content: center;
    align-items: center;
}

.check{
    cursor: pointer;
    position: absolute;
    width: 160px;
    height: 10vh;
    border-radius: 75px;
    background-color: gray;
}

body.tr .check{
    background-color: #3635DB;
}
body.tr .circ{
    left: 53.8%;
}

.circ{
    left: 30%;
    cursor: pointer;
    position: absolute;
    z-index: 1;
    width: 70px;
    height: 70px;
    border: 1px solid black;
    background-color: white;
    border-radius: 100%;
}

@media screen and (max-width: 450px){
    .container{
        height: 280px;
        width: 280px;
    }.circ{
        left: 20%;
    }

    body.tr .circ{
        left: 53.8%;
    }
}