#form_login{ text-align: center; max-width:500px; margin-left:auto; margin-right:auto; padding: 20px; .btn_fc { img { height: 100px; } } #new_user{ width: 80%; margin-left:auto; margin-right:auto; } hr { margin-bottom: 40px; border: none; height: 1px; background-image: linear-gradient(to right, rgba(100, 100, 100, 0), rgba(100, 100, 100, 0.75), rgba(100, 100, 100, 0)); } h4 { text-align: left; } }