#strtcon{
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
    margin:0;
    
}


#startbutton{
    background-color:lime;
    border-color:limegreen;
    width:300px;
    height:100px;
    border-radius:15px;
    display:flex;
    justify-content:center;
    align-items:center;
    border:5px solid limegreen;
    font-size: 35px;
      text-decoration: none !important;
    transition: ease-in-out 0.2s;
    padding:1px;    
}


#startbutton:hover{
    background-color:limegreen;
    color:white;
    transform:translateY(-10px);
}

#startbutton:focus,
#startbutton:active {
    outline: none;
}