@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&family=Roboto:wght@400;700&display=swap');

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


body {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'poppins', sans-serif;
    background-color: #86A3B8;
}

header {
    width: 70%;
    height: 70%;
    background: #fff;
    box-shadow: 0px 0px 25px rgb(197, 197, 211);
    border-radius: 20px;
    padding: 10px;
    display: flex;
}

header .male, .cal,.female{
    position: relative;
    width: 33.33%;
    height: 100%;
    /* border: 1px solid #000; */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

header img {
    width: 200px;
}

header .speed {
    display: inline-block;
    position: relative;
    height: 57px;
    overflow: hidden;
    margin-left: 40px;
}

header .speed .speedmeter {
    width: 115px;
    height: 115px;
    border-top: 13px solid #000;
    border-left: 13px solid #000;
    border-right: 13px solid #fff;
    border-bottom: 13px solid #fff;
    border-radius: 100%;
    transform: rotate(45deg);
    display: flex;
    box-shadow: inset 0px 0px 20px grey;
    transition: all 5s;
}

header .speed .needle {
    position: absolute;
    width: 5px;
    height: 35px;
    background: linear-gradient(45deg, transparent, #000);
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    border-top-left-radius: 100%;
    border-top-right-radius: 100%;
    top: 15px;
    left: 53px;
    display: inline-block;
    transform-origin: bottom;
    transform: rotate(45deg);
    transition: all 5s;
}

header .speed h3 {
    position: absolute;
    top: 35px;
    left: 30px;
}

header input[type="submit"]{
    margin: 15px 0px 0px 40px;
    padding: 8px 20px;
    border: none;
    outline: none;
    border-radius: 5px;
    background: #000;
    color: #fff;
    cursor: pointer;
    transform: .5s linear;
}

header input[type="submit"]:hover{
    background: grey;
}

header .cal .card {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    margin-top: 20px;
}

header .cal .card h4{
    font-size: 20px;
    font-weight: 600;
}

header .cal .card h4 span{
    font-size: 10px;
    font-weight: 600;
}

header .cal .card input{
    border: 3px solid grey;
    outline: none;
    width: 90px;
    font-size: 30px;
    font-weight: 900;
    margin-top: 5px;
    border-radius: 5px;
    box-shadow: inset 0px 0px 20px gray;

}

header .cal .btns {
    margin-top: 20px;
    display: flex;
    align-items: center;
}

header .cal .btns button {
    width: 100px;
    padding: 10px 0px;
    margin: 0px 5px;
    background: aqua;
    border: none;
    outline:  none;
    font-family: 'poppins',sans-serif;
    border-radius: 5px;
    font-weight: 600;
    transition: 1s linear;
}

header .cal .btns button:nth-child(2) {
    background: #000;
    color: #fff;
}

header .cal .btns button:nth-child(3) {
    background: aqua;

}