*{
    text-align: center;
    color: white;
    font-family: "Rajdhani", "Teko", "Oxanium", sans-serif;
}

/* ----------------------- BODY ------------------------ */
body{
    background-color: rgba(0, 0, 0, 0.864);
}

/* ----------------------- h1 ------------------------ */
h1{
    color: rgb(43, 244, 43);
    text-shadow: 2px 2px 20px black;
    font-size: 2.5rem;
    font-family: "Bungee", "Anton", "Impact", sans-serif;
    font-weight: 100;
}

/* ----------------------- btn-container ------------------------ */
.btn-container{
    margin-top: 50px;
    display: flex;
    justify-content: center;
}
.btn{
    height: 220px;
    width: 220px;
    border-radius: 20px;
    border: 10px solid black;
    margin: 10px;
    box-shadow: 2px 2px 8px black;
}
.line-one {
    background-color: grey;
    border-radius: 50% 0% 0% 50%;
    box-shadow: 2px 2px 10px white;
}
.line-two{
    background-color: grey;
    border-radius: 0% 50% 50% 0%;
    box-shadow: 2px 2px 10px white;
}

/* ----------------------- Buttons  ------------------------ */
.red{
    background-color: rgba(255, 0, 0, 0.578);
    border-radius: 100% 10% 10% 10%;
}
.green{
    background-color: rgba(2, 239, 2, 0.36);
    border-radius: 10% 10% 10% 100%;
}
.yellow{
    background-color: rgba(238, 131, 8, 0.664);
    border-radius: 10% 100% 10% 10%;
}
.blue{
    background-color: rgba(0, 0, 255, 0.412);
    border-radius: 10% 10% 100% 10%;
}

/* ----------------------- Reset button ------------------------ */
.resetBtn{
    margin-top: 30px;
    width: 30%;
    height: 50px;
    background-color: rgba(0, 0, 0, 0);
    color:  rgb(43, 244, 43);
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 900;
    border: 2px solid  rgb(43, 244, 43);
    text-shadow: 2px 2px 10px black;
}

/* ----------------------- icon ------------------------ */
i{
    color:  rgb(43, 244, 43);
    margin-right: 10px;
    text-shadow: 2px 2px 10px black;
}

/* --------------------------------------------------------- */
/* Media Queries for responsiveness */
@media screen and (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .btn {
        height: 150px;
        width: 150px;
        margin: 5px;
    }

    .resetBtn {
        width: 40%;
        font-size: 1rem;
        padding: 10px;
        margin-top: 50px;
    }
}

@media screen and (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.2rem;
        margin-bottom: 80px;
    }

    .btn {
        height: 120px;
        width: 120px;
    }

    .resetBtn {
        width: 60%;
        font-size: 1rem; 
    }
}

@media screen and (max-width: 320px) {
    h1 {
        font-size: 1.2rem;
    }

    h2 {
        font-size: 1rem;
    }

    .btn {
        height: 100px;
        width: 100px;
    }

    .resetBtn {
        margin-top: 60px;
        width: 80%;
        font-size: 0.9rem;
    }
}
