styles.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
.nav{
    position: fixed;
    background-color: rgba(27, 124, 141, 0.336);
    width: 100%;
    padding: 10px 0;
    z-index: 12;
}
.menu{
    max-width: 1250px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.logo a{
    text-decoration: none;
    color: white;
    font-size: 35px;
    font-weight: 600;
}
.ul{
    display: inline-flex;
}
.ul li{
    list-style: none;
    margin-left: 7px;
}
.ul li a{
    text-decoration: none;
    color: white;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}
.ul li a:hover{
    background-color: white;
    color: black;
}
.img{
    background: url('img.jpg')no-repeat;
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
}
.img::before{
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, 0);
}
.center{
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    padding: 0 200px;
    text-align: center;
}
.title{
    color: white;
    font-size: 52px;
    font-weight: 600;
}
.subtitle{
    color: white;
    font-size: 52px;
    font-weight: 600;
}
.buttons{
    margin-top: 20px;

}
.learn-more-button,
.subscribe-button{
height: 55px;
width: 170px;
border-radius: 7px;
border: none;
margin: 0px 10px;
border: 2px solid white;
font-size: 20px;
font-weight: 500;
padding: 0 10px;
cursor: pointer;
outline: none;
transition: all 0.3 ease;
}
.learn-more-button{
    color: rgb(255, 255, 255);
    background: none;
}
.learn-more-button:hover{
    background: white;
    color: black;
}
.subscribe-button:hover{
    background: blue;
    color: lightblue;
}