header{
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 200px;
background: linear-gradient(to bottom, #000000 40%,#0560aa 80%,#7cd4ef 100%);
}
body{
    padding-top: 200px;
}
.launch-button{
 position: absolute;
left: 50%;
top: 75%;
transform: translate(-50%, -50%);
text-decoration: none;
background-color: #aa0000;
color: white;
font-size: 20px;
padding: 15px 30px;
border-radius: 10px;
padding: 15px 60px 15px 30px;
transition: transform 0.5s, background-color 0.1s, padding 0.5s, box-shadow 0.1s;
}
.launch-button:hover{
    background-color: #cc0000;
box-shadow: 0 0 8px #ff0000;
}
.launch-button:active{
    background-color: #750000;
box-shadow: 0 0 2px #750000;
transform: translate(-50%, -20%) scale(0.7);
padding: 15px 30px;
}
.launch-button .rocket{
    position: absolute;
    transition: transform 0.5s;
    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) scale(0.1);
    color: orange;
    transition: transform 0.4s;
}
.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 .rocket{
    transform: rotate(-15deg) translate(60px, -140px) scale(3.5);
}
.span{
letter-spacing: 0.1em;
text-transform: uppercase;
color: white;
}
.span:hover{
    color: orange;
text-shadow: 0 0 3px rgb(251, 255, 0, 0.5);
}
.launch-button .label{
    transition: color 0.2s, text-shadow 0.2s;
}
@keyframes burn {
    from { transform: rotate(-7deg); }
    33% { transform: rotate(4deg); }
    66% { transform: rotate(-4deg); }
    to { transform: rotate(7deg); }
  }
  .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;
  }