html,
body {
    height: 100%;
}

body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

.form-signin {
    width: 100%;
    max-width: 430px;
    margin: auto;
}

.form-signin .checkbox {
    font-weight: 400;
}

.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}

.form-signin .form-control:focus {
    z-index: 2;
}


.form-signup {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}

.form-signup .checkbox {
    font-weight: 400;
}

.form-signup .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}

.form-signup .form-control:focus {
    z-index: 2;
}

.avatar {
    margin-top: -75px;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
    width: 95px;
    height: 95px;
    border-radius: 50%;
    z-index: 9;
    background: #70c5c0;
    padding: 15px;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.1);
}

.avatar img {
    width: 100%;
}