@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}
.bmi h1{
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 4rem;
    margin-bottom: 80px;
    letter-spacing: 22px;
    color: #fff;

}

body{
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://wallpaperaccess.com/full/1245567.jpg')no-repeat center center/cover;
}
main{
    height: 100vh;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    
}

header {
    z-index: 999;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 180px 15px 80px;
    transition: 0.5s ease;
}

header .brand {
    color: #fff;
    font-size: 3em;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
}

.navbar ul {
    overflow: auto;
}

.navbar ul {
    list-style: none;
    float: right;
    padding: 16px 12px;
    margin: 0px 10px;
}

ul li {
    display: inline-block;
}

ul li a {
    text-decoration: none;
    color: #fff;
    border-radius: 2px;
    padding: 12px 20px;
}

ul li a:hover {
    background-color: rgb(255, 166, 64);
    color: black;
    transition: 0.3s ease;
}

.home .media-icons {
    z-index: 888;
    position: absolute;
    right: 30px;
    display: flex;
    flex-direction: column;
    transition: 0.5s ease;
}

.home .media-icons a {
    color: #fff;
    font-size: 1.6em;
    transition: 0.3s ease;
}

.home .media-icons a:not(:last-child) {
    margin-bottom: 20px;
}

.home .media-icons a:hover {
    transform: scale(1.3);
}

.container{
    background: rgba(0, 0, 0, 0.7);
    padding: 15px 30px;
    border-radius: 8px;
}

section{
    padding: 20px 39px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

section input{
    font-size: 22px;
    text-align: center;
    height: 40px;
    width: 666px;
}

section label{
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #9d9d9d;
}

section button{
    height: 40px;
    width: 666px;
    margin: 25px auto;
    font-size: 20px;
    letter-spacing: 2px;

}

section button:hover{
    cursor: pointer;
    color: #fff;
    background: #2a2a2a;
}

span{
    color: red;
}

#output{
    font-size: 22px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    color: #64f35f;
    padding-left: 10px;
    
}