style.css

@import url('https://fonts.googleapis.com/css?family=Oswald');

:root{
    --bg-color-1:#063f44;
    --bg-color-2:#033309;
    --text-color-1:#3ab0ba;
    --text-color-2:#68ff7d;
 
}
html, body {
    
    min-height: 90vh;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    font-family: "Oswald", sans-serif;
    background: linear-gradient(to left, var(--bg-color-1) ,var(--bg-color-2) );
}
h1 {
    color: #fff;
    font-size: 5vw;
    letter-spacing: 6px;
    pointer-events: none;
    opacity: 0;
    transition: 3s ease-in;
}

h2 {
    width: 381px;
    height: 36px;
    color: #e2e2e2;
    position: absolute;
    text-align: center;
    top: 0;
    bottom: 0;
    font-size: 30px;
    left: 0;
    right: 0;
    margin: auto;
    pointer-events: none;
    /* animation: fade 1s ease-in infinite; */
}
h2 span {
	opacity: 0;
	transition: 0.3s ease;
}
.pad {
    width: 500px;
    display: flex;
    opacity: 0;
    flex-wrap: wrap;
    justify-content: space-between;
    transition: 3s ease-in;

}
.box {
  width: 100px;
  display: flex;
  height: 100px;
  margin: 10px 0;
  font-size: 20px;
  user-select: none;
  align-items: center;
  -ms-user-select: none;
  background-color: #444;
  -moz-user-select: none;
  justify-content: center;
  -webkit-user-select: none;
  color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 6px -6px black;
  border: 2px solid #2ecc71;
  
}
.box:hover {
    background-color: #5e5e5e;
}
.box:active {
    transition: all 0.2s;
    transform: scale(1.1);
    background-color: #2b2b2b;
}
.box.active {
    transition: all 0.2s;
    transform: scale(1.1);
    background-color: #2b2b2b;
}
@media screen and (max-width: 600px) {
    .pad {
        width: 88%;
    }
}


.github {
	opacity: 0;
	transition: 1s ease;
	position: absolute;
	top: 10px;
	right: 10px;
}

.github img {
	height: 34px;
}