html, body{
    padding:0;
    margin:0;
}
body{
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    width:100vw;
    height:100vh;
    background:linear-gradient(to bottom, rgba(25, 185, 95, 0.75), rgba(142, 230, 180, 0.75));
}
.container{
    position:relative;
    max-width:840px;
    width:100%;
}
.title{
    font-size:36px;
    color:#fff;
    font-weight:bold;
    line-height:60px;
}
.desc{
    font-size:24px;
    line-height:40px;
    color:#f1f1f1;
    margin-bottom:100px;
}
.phone-img{
    position:absolute;
    right:0;
    top:50%;
    transform:translateY(-50%);
    width:400px;
}