register.css

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: #f1f1f1; /* fallback color */
    background-image: url("../img/body_bg.png");
    background-size: cover;
    background-repeat: no-repeat;
    -ms-background-size: cover; /* IE 9 */
    background-size: cover\9; /* IE 8 */
}

.container {
    margin-left: 90px;
}

section.form {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 22vh; /* set the height to full viewport height to center it vertically */
}

.row {
    border-radius: 30px;
    margin: 500px auto 0;
    height: 660px;
}

img {
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
}

.register {
    margin-top: -55px;
    margin-left: 30px;
    font-weight: bold;
}

.register_labels {
    font-size: 17px;
    font-weight: bold;
}

.form {
    margin-left: 30px;
}

.custom-input {
    width: 120%;
}

.btn2 {
    border: none;
    outline: none;
    height:50px;
    width: 40%;
    background-color: black;
    color: white;
    border-radius: 4px;
    font-weight: bold;
}

.btn2:hover {
    background: white;
    border: 1px solid;
    color: black;
}

.input-group {
    position: relative;
    width: 120%;
}

.input-group input[type="password"] {
    padding-right: 25px;
}

.input-group button {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    border: none;
    background-color: transparent;
    cursor: pointer;
}