.container {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.register-class {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: darkgreen;
    color: white;
    font-size: 30px;
    text-decoration: none;
    font-weight: 500;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    width: 200px;
    text-align: center;
    height: 100px;
    border: 2px none;
    border-radius: 30px;
    justify-content: center;
    display: flex;
    align-items: center;   
}

.login-class {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: aqua;
    font-size: 30px;
    text-decoration: none;
    font-weight: 500;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    width: 200px;
    text-align: center;
    height: 100px;
    border: 2px none;
    border-radius: 30px;
    justify-content: center;
    display: flex;
    align-items: center;    
}