body{
    background: #F2F2F2;
}

.content{
    background: #fff;
    height: 350px;
    text-align: center;
    width: 600px;
    position: absolute;
    top: calc(50% - 90px);
    left: 50%;
    transform: translate(-50%,-50%);
    border-radius: 10px;
}

.content img{
    width: 280px;
    margin: 35px 0 0 0;
}

.content h1{
    font-weight: normal;
    font-size: 30px;
}

.content h4{
    display: block;
    font-weight: normal;
    font-size: 14px;
    width: 90%;
    margin: 50px auto 0 auto;
}

.content .btn{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30px;
    width: 169px;
    margin: 60px auto 0 auto;
    font-size: 14px;
}

footer{
    position: absolute;
    width: 100vw;
    bottom: 0;
}