*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: 'Roboto', sans-serif;
}

header{
    width:100%;
    height:100vh;
    background-image: url('../background.png');
    background-repeat: no-repeat;
    background-size: 120% 100%;
}

.mainheader{
    width:100%;
    height:100px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.mainheader .logo img{
    width: 400px; height: 350px;
    padding-left: 60px;
    padding-top: 150px;
}

.mainheader nav{
    width: 300px;
    display: flex;
    justify-content: space-around;
    align-items:center;
}

.mainheader nav a{
    text-decoration:none;
    color:black;
    text-transform: uppercase;
    margin-right: 10px;
}

.mainheader button{
    padding:10px 45px;
    text-align: center;
    font-size: 14px;
    color:#fff;
    border: none;
    background-color:yellowgreen ;
    border-radius:10px;
}

.heading img{
    width:60%;
    margin-left: auto;
    margin-right: auto;
    margin-top: auto;
    display: block;
}

.heading {
    height:80vh;
    display: flex;
justify-content: center;
}