*{
    margin: 0;
    padding: 0;
    font-family: book antique;
}

.header{
    width: 100%;
    height: 100vh;
}

nav{
    width: 100%;
    padding: 10px 0;
    text-align: center;
   
}

.logo{
    width: 250px;
    margin: 15px 0;
    cursor: pointer;
}
nav ul{
    background: #fff;
    width: 100%;
    margin-top: 10px;
}

nav ul li{
    list-style: none;
    display: inline-block;
    margin: 20px 30px;
    color: #000;
    position: relative;
}
nav ul li a{
    text-decoration: none;
    color: #000;
    text-transform: uppercase;
    text-align: center;
}

nav ul li ul.dropdown li{
    display: block;
}

nav ul li ul.dropdown{
    width: 250px;
    position: absolute;
    z-index: 999;
    display: none;
}

nav ul li a:hover{
    background: #fff;
}

nav ul li:hover ul.dropdown{
    display: block;
    
}

nav ul li::after{
    content: '';
    height: 3px;
    width: 0;
    background: #009688;
    position: absolute;
    left: 0;
    bottom: -10px;
    transition: 0.5s;
}

nav ul li:hover::after{
    width: 100%;  
}

.text{
    padding: 20px 8%;
}

nav.sticky{
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px 8%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: padding 1s;
}

nav.sticky ul{
    width: auto;
}
.se{
    position: absolute;
    top: 12em;
}