#welcome-modal {
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: 2;
    background-color: black;
}
#welcome-modal h1 {
    margin: auto;
}
#welcome-header {
    position: absolute;
    top:0;
}
#welcome-text {
    position: absolute;
    top: 11vh;
    width: 100%;
    text-align: center;
    font-family: ABC;
    line-height: 45px;
}
#welcome-text h1 {
    color: white;
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 10px;
}

#start-button {
    position: absolute;
    transform: translate(-50%, -50%);
    top: 17vh;
    padding-top: 4px;
}