    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    body {
        background: #231d2b;
    }
    
    .content {
        height: 100vh;
        width: 100%;
        background: url('bg-stars.svg');
    }
    
    .heading {
        color: #fff;
        height: 17.5vh;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: 7.5px;
        font-family: 'Red Hat Text', sans-serif;
        font-size: 20px;
    }
    
    .timer {
        height: 55vh;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .time {
        color: hsl(345, 95%, 68%);
        font-size: 5rem;
        font-family: 'Red Hat Text', sans-serif;
    }
    
    .timer__inner {
        width: 60%;
        height: 70%;
        display: flex;
        justify-content: space-around;
        align-items: center;
        margin-bottom: -4rem;
    }
    
    .card {
        background: hsl(236, 21%, 26%);
        height: 50%;
        width: 16.5%;
        border-radius: 5px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        position: relative;
        box-shadow: 0px 11.5px 0px 0px rgba(0, 0, 0, 0.288);
    }
    
    .layer {
        width: 100%;
        height: 50%;
        position: absolute;
        top: 0;
        left: 0;
        opacity: .7;
        background: rgba(0, 0, 0, 0.220);
        overflow: visible;
    }
    
    .circle {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #000;
        transform: translate(-50%, 50%);
    }
    
    .circle__2 {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #000;
        transform: translate(50%, 50%);
    }
    
    .names {
        display: flex;
        width: 60%;
        height: 20%;
        align-items: center;
        justify-content: space-around;
        color: hsl(236, 21%, 26%);
        text-transform: uppercase;
        font-family: 'Red Hat Text', sans-serif;
        letter-spacing: 2px;
    }
    
    .name {
        width: 16.5%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .author {
        height: 27.5vh;
        width: 100%;
        background: url('pattern-hills.svg');
        background-repeat: no-repeat;
        background-size: cover;
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
    }
    /* media query */
    
    @media screen and (max-width: 1230px) {
        .card {
            width: 18.5%;
        }
        .name {
            width: 15.5%;
        }
    }
    
    @media screen and (max-width: 1000px) {
        .timer__inner {
            width: 80%;
        }
        .names {
            width: 80%;
        }
    }
    
    @media screen and (max-width: 768px) {
        .time {
            font-size: 4.5rem;
        }
        .timer__inner {
            width: 85%;
        }
        .names {
            width: 85%;
        }
        .name {
            width: 25%;
        }
    }
    
    @media screen and (max-width: 650px) {
        .time {
            font-size: 3rem;
        }
        .card {
            width: 20%;
            height: 30%;
        }
        .name {
            font-size: 12.5px;
        }
        .timer__inner {
            margin-bottom: -6rem;
        }
        .heading {
            text-align: center;
            align-items: flex-end;
        }
    }
    
    @media screen and (max-width: 500px) {
        .time {
            font-size: 2.5rem;
        }
        .timer__inner {
            width: 95%;
            margin-bottom: -7rem;
        }
        .card {
            width: 21%;
        }
        .names {
            width: 95%;
        }
        .name {
            font-size: 11px;
        }
    }