body{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #71bb40;
}
img{
    position: absolute;
    top: 7%;
    left: 7%;
    width: 370px;
}

h1{
    text-align: center;
    color: #fff;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 90px;
    line-height: 90px;
    letter-spacing: 15px;
    text-shadow: 0 1px 0 #efefef,
                 0 2px 0 #efefef,
                 0 3px 0 #efefef,
                 0 4px 0 #efefef,
                 0 26px 6px rgba(0,0,0,.1);
    animation: float 1.7s linear infinite;
    animation-direction: alternate;
}

@keyframes float {
    from{transform: rotate(2.5deg);}

    to{transform:  rotate(-2.5deg);}
}

@media only screen and (max-width: 660px){
    h1{
        width: 100%;
        font-size: 49px;
        line-height: 49px;
        letter-spacing: 8px; 
    }

}