body {
    background: #042e4b;
    color: #fff;
    font: 19px/1.5 'Fira Sans Extra Condensed', Helvetica, Helvetica Neue, Arial;
    height: 100vh !important;
    width: 100%;
}

body,
figure,
image {
    margin: 0;
    padding: 0;
}

.intro {
    background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/579121/sky-backr2.jpg') no-repeat;
    background-size: cover;
    height: 100vh;
    position: relative;
    z-index: -1;
}

.tulips {
    bottom: -10px;
    left: 0;
    overflow: hidden;
    position: absolute;
    text-align: center;
    width: 100%;
    z-index: 1;
}

.stemEnd1,
.stemEnd2,
.stemEnd3,
.stemEnd4 {
    visibility: hidden;
}


#btn {
    background: linear-gradient(135deg, #f72585, #7209b7);
    border: none;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 14px 30px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#btn {
    z-index: 1000;
    position: fixed;
    left: 50%;
    transform: translate(-50%, -50%);
    top: 10%;
}

#btn:active {
    transform: translate(-50%, -50%) scale(0.8);
}