*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}
.banner{
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.75),rgba(0,0,0,0.75)),url("https://i.ibb.co/pRncpn4/img.jpg");
    background-size: cover;
    background-position: center;
    animation: change 20s infinite ease-in-out;
}
.navbar{
    width: 85%;
    margin: auto;
    padding: 35px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo{
    width: 150px;
    cursor: pointer;
    border: 3px solid white;
    border-radius: 50%;
}
.navbar ul li{
    list-style: none;
    display: inline-block;
    margin: 0px 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: #f77204;
    position: absolute;
    left: 0;
    bottom: -8px;
    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: 80px;
}
.content p{
    margin: 20px auto;
    font-weight: 100;
    font-size: 35px;
    line-height: 25px;
}
.content h1{
    
    color: #fff;
    font-weight: 600;
    transition: 0.5s;

}
.content h1:hover{
    -webkit-text-stroke: 5px rgba(208, 25, 9, 0.903);
    color: transparent;
}
button{
    width: 200px;
    padding: 20px 0;
    font-size: 23px;
    text-align: center;
    margin: 20px 10px;
    border-radius: 25px;
    font-weight: bold;
    border: 4px solid #f85403;
    background: transparent;
    color: #fff;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}


span{
    background: #f09401;
    height: 100%;
    width: 0;
    border-radius: 25px;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: -1;
    transition: 0.5s;
}
button:hover span{
    width: 100%;
}
button:hover{
    border: none;
}

@keyframes change{
    0%
    {
        background-image: url("https://i.ibb.co/7nxXZsN/img1.jpg");
    }
    20%
    {
        background-image: url("https://i.ibb.co/CmcBKGt/img3.jpg");
    }
    30%
    {
        background-image: url("https://i.ibb.co/93QLxsJ/img4.jpg");
    }
    60%
    {
        background-image: url("https://i.ibb.co/GTQPmCs/img5.jpg");
    }
    80%
    {
        background-image: url("https://i.ibb.co/7nxXZsN/img1.jpg");
    }
    100%
    {
        background-image: url("https://i.ibb.co/pRncpn4/img.jpg");
    }
}