.logo-img {
    width: 80px; 
    border-radius: 20px;
    margin-right: 30px;
    margin-left: 10px;
    margin-top: 5px;
    float: left;
}

.logo-text {
    font-size: 60px;
}

header {
    padding-bottom: 20px;
}

@media screen and (max-width:575px) {
    header .logo-text {
        font-size: 25px;
      }
}