.topbar{
    background-color: rgba(50, 50, 50, 0.5);
    width: calc(100%-5px);
    display: flex;
    padding: 5px;
    position: sticky;
    box-shadow: 1em 0px 15px black;
}
h1{
    margin: 0px;
}
body{
    margin: 0px;
    font-family: Arial, Helvetica;
    background-image: linear-gradient(black,gray,black);
    color: white;
}
.app{
    margin: 5px;
    text-align: center;
}
img{
    margin: 5px;
}
form{
    margin: 5px;
}
input{
    cursor: hand;
    padding: 15px;
    background: none;
    color: white;
}