img {
    width: 30%;
    float: left;
    display: inline;
    opacity: 0.9;
}

img:hover {
    opacity: 1;
}

h1 {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: auto;
    text-align: center;
}

.login {
    margin-top: 2em;
}

.login input {
    text-align: center;
    margin: 1em;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    padding: 0.6em;
}

.login input[type="text"] {
    border-radius: 5px;
    width: 50%;
    border: 1px solid darkgreen;
}

.login input[type="password"] {
    border-radius: 5px;
    width: 50%;
    border: 1px solid darkgreen;
}

.login input[type="submit"] {
    border-radius: 5px;
    transition-duration: 250ms;
    width: 30%;
    background: none;
    padding: 0.7em;
    border: 1px solid darkgreen;
}

.login input[type="submit"]:hover {
    transition-duration: 250ms;
    width: 35%;
    background: darkgreen;
    padding: 0.7em;
    color: white; 
}

.general {
    border-radius: 10px;
    text-align: center;
    margin: auto;
    width: 40%;
    margin-top: 10%;
    padding: 5em;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}