html *{
    margin: 0;
}

.container{
    background-image: url(https://cdn.pixabay.com/photo/2013/09/25/16/55/slate-186307_1280.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    height: 100vh;
}

header{
    text-align: center;
}

header h1{
    margin-top: -80px;
    font-size: 24px;
    font-family: sans-serif;
    color: white;
    text-shadow: 1px 1px 2px whitesmoke;
}

header h2{
    font-size: 35px;
    font-family: sans-serif;
    text-transform: uppercase;
    color: white;
    text-shadow: 1px 1px 2px whitesmoke;
}

header img{
    width: 40%;
    margin-top: -5%;
}

form{
    margin: 10px auto;
    width: 35%;
    background-color: lightgrey;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 1px 1px 2px whitesmoke;
    text-align: center;
    margin-top: 25px;
}

form input{
    width: 90%;
    border-radius: "2px";
    margin: 10px 0;
}

button{
    background-color: darkgrey;
    height: 25px;
    width: 150px;
    color: black;
    border-radius: 5px;
}

form a{
    display: inline-block;
    margin-left: 10px;
    text-decoration: none;
    color: black;
}

form a:hover{
    color:cornflowerblue;
}

footer{
    background-color: cornflowerblue;
    height: 50px;
    position: bottom;
}