body{
    padding-top:200px;
}


header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:200px;
    background:  linear-gradient(to bottom, #000000 40%,#0560aa 80%,#7cd4ef 100%);
}

.launch-button{
    position:absolute;
    left:50%;
    top:50%;
    transform: translate(-50%, -50%);
    text-decoration: none;
    background-color: #aa0000;
    color: white;
    font-size: 20px;
    padding: 15px 60px 15px 30px;
    border-radius: 10px;
}

.launch-button:hover{
    background-color: #cc0000;
    box-shadow: 0 0 8px #ff0000;

}
.launch-button:active{
    background-color: #750000;
    box-shadow: 0 0 2px #750000;

}

.launch-button .rocket{
    position: absolute; 
    top:50%;
    right:40px;

}

.launch-button .rocket i{
    position: absolute;
    top: 0;
    left: 0;
}
.launch-button .fa-rocket{
    transform:translate(-50%,-50%)
    rotate(-45deg);

}
.launch-button .fa-burn{
    transform:translate(-50%,-15%)
    rotate(180deg);
    color:orange;
    scale:0.1;

}
.launch-button:hover .fa-burn{
    transform:translate(-50%, -15%) rotate(180deg) scale(0.4);
}
.launch-button:active .fa-burn{
    transform: translate(-50%, 25%) rotate(180deg) scale(0.8);
}
.launch-button:hover .rocket{
    transform: scale(1.3);
}

.launch-button:active .fa-burn::before{
    display:block;
    transform-origin: center bottom;
    animation-name: burn;
    animation-duration: 0.1s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}