style.css

.container{
    width: 20%;
    position: absolute;
    left: 40%;
    top: 30%;
}

.container input {
    display: block;
    margin: 20px;
    width: 98%;
    padding: 2px;
    font-weight: 600;
    border: 1px solid #ccc;
    border-radius: 3px;
    height: 36px;
    padding-left: 9px;
}

.container .submit-container {
    padding: 2px;
    border: none;
    margin: 20px;
    width: 100%;
}

.submit-container input{
    width: 100px;
    position: relative;
    padding: 9px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
}

.left {
    left: 0;
    color: white;
    background-color: rgb(108, 108, 215);
}

.right {
    left: 65%;
    color: white;
    background-color: rgb(108, 108, 215);
}

.center {
    left: 30%;
    background-color: rgb(20, 179, 73);
    color: rgb(79, 233, 233);
}