img {
    height: 200px;
    display: block;
    margin: 0 auto;
}

form {
    width: 100%; 
    max-width: 800px; 
    margin: 0 auto;
    padding: 100px;
}
input {
    width: calc(100% - 60px);
    height: 50px; 
    line-height: 50px; 
    border-radius: 25px;
    border: none;
    box-shadow: 0 0 10px 1px rgba(182, 183, 155, 0.7);
    padding: 0 25px;
    display: inline-block;
}
button {
    width: 50px;
    height: 50px; 
    line-height: 50px; 
    border-radius: 50%;
    border: none;
    box-shadow: none;
    padding: 0;
    display: inline-block;
}

main ul {
    display: none;
}
/*
main ul {
    margin: 0;
    padding: 5px 0;
    display: flex;
    width: 800px;
    list-style: none;
    display: none;
}
main ul li {
    width: 100px;
    text-align: center;
}
main ul li:last-child {
    width: 180px;
    text-align: right;
}
main ul li a {
    color: #999;
    transition: 0.5s;
}
main ul li a:hover {
    text-decoration: none;
    transition: 0.5s;
}
*/