style.css

body {
	font: 'Raleway', sans-serif;
    color: rgba(0,0,0,.5);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .5em;
    top: 15%;
	background: linear-gradient(to right, linen , yellow); /* Standard syntax */
}

h1 {
    font: 600 3.5em 'Raleway', sans-serif;
    color: rgba(0,0,0,.5);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .5em;
    width: 100%;
}

h3 {
	font: 900 1em 'Raleway', sans-serif;
    color: rgba(0,0,0,.5);
    text-align: center;
    text-transform: none;
    letter-spacing: 0.01em;
}

input{
    background-color: rgba(0,0,0,.1);
    border: 2px solid rgba(0,0,0,.1);
    border-radius: .4em;
    outline: none;
}

input:hover {
    background-color: rgba(255,255,255,.4);
    border: 2px solid #FFF;
}

button {    
    background-color: rgba(0,0,0,0);
    border: 2px solid #FFF;
    border-radius: .8em;    
    color: #FFF;
    font-family: 'Raleway', sans-serif;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: .7em 1em .5em;
    position: relative;
    top: -2.5px;
    outline: none;
}

button:hover {
    background-color: rgba(255,255,255,.5);
    color: rgba(0,0,0,.5);
    font-weight: bold;
}