body{
    height: 750px;
    background-image: linear-gradient(to bottom, red 25%, pink);
    overflow: hidden;
}

.tiles{
    width: 22%;
    margin: 10px 1%;
    float: left;
    height: 170px;
    background-color: #63B8FF;
}

h1{
    color: aliceblue;
    text-align: center;
}

h3{
    color: aliceblue;
    text-align: center;
}

.button{
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    margin: auto;
    display: block;
    margin-bottom: 2px;
}

.btn1, .btn2{
    background-color: #63B8FF;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    margin: auto;
}


.btn1:hover, .btn2:hover{
    background-color: lightpink;
}

.btn1:active, .btn2:active {
  background-color: #63B8FF	;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}