*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    

  
}
.banner{
    width: 100%;
    height: 100vh;
    background-image: url(background.jpg);
    background-size: cover;
    background-position: center;

}

.navbar{
    width: 92%;
    margin: auto;
    padding: 28px 0;
    display: flex;
    align-items: center;
    text-align: center;
}
.logo{
    width: 200px;
    height: 100px;

    float: left;
    position: relative;
   
}

.navbar ul li{
    list-style-type:none;
    display: inline-block;
    margin: 0 20px;
    position: relative;

}
.navbar ul li a{
    text-decoration: none;
    color: #fff;
    text-transform: uppercase;
}

.navbar ul li::after{
    content: '';
    height: 3px;
    width:  0%;
    background: #009688;
    position: absolute;
    left: 0;
    bottom: -10px ;
    transition: 0.5s;
}
.navbar ul li:hover::after{
    width: 100%;
}
 .content{
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    color: #fff;
 }
.content h1{
    font-size: 100px;
    margin-top: 125px;

}
.content p{
    margin: 20px;
    font-weight: 100;
     line-height: 20px;
     color:white;

}
button{
    width: 200px;
    padding: 15px 0;
    text-align: center;
    margin: 20px 10px;
    border-radius: 25px;
    font-weight: bold;
    border: 2px solid #009688;
    background: transparent;
    color: #fff;
    cursor: pointer;
    position: relative;
    overflow: hidden;

}
span{
    background: #009688;
    height: 100%;
    width: 100%;
    border-radius: 25px;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: -1;
    transition: 0.5s;
}
button:hover span{
    width: 100%;
}
button:hover{
    border: none;
}