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, #ff0000 , #ffff00); /* 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;

}

button {
    width: 150px;
    height: 50px;
    margin-top: 40px;
    background-color: blue;
    color: white;
    border-radius: 20px;
    text-transform: uppercase;
    font-weight: 600;
    border-color: blue;
    letter-spacing: .5em;
}