#form-signup, #form-login {
    margin:4rem auto;
    padding: 2rem;
    width: 80%;
    max-width: 450px;
    min-width: 250px;
    overflow: hidden;
    border-radius: 6px;
    box-sizing: border-box;
}

.form-anim {
    position: relative;
    height: 3.4rem;
    margin: 1rem auto;
}

.form-anim-button {
    margin-top: 1.5rem;
}

.form-anim > label {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.3s linear;
    font-weight: bold;
}

.form-anim > label.placeholder {
    margin-top: 1.6em;
    font-size: 1.1rem;
    color: gray;
}

.form-anim > label.label {
    margin-top: 0.2rem;
    font-size: 1rem;
    color: #0f4786;
}

.form-anim > input {
    position: absolute;
    padding: 0.5rem 0 0 0;
    background-color: transparent;
    font-size: 1rem;
    border: none;
    outline: none;
    border-bottom: .05rem solid #aaa;
    left: 0;
    top: 1.6rem;
    width: 100%;
}

.form-anim > input:focus {
    border-color: #0f4786;
}