styles.css

.splashScreenRoot {
    visibility: visible;
}
.background {
    position: absolute;
    inset: 0;
    bottom: 40%;
    color: white;
    transform: rotate(0);    /* initially I wanted to give the background a slant */
}
.backhead {
    margin: 15vh auto;
    width: fit-content;
    width: -moz-fit-content;
    height: 2.5rem;
    padding: 10px;
    border-radius: 10px;
    font-size: 2.5rem;
    text-align: center;
    color: white;
    cursor: pointer;
    transition-duration: 200ms;
}
.backhead:hover,
.backhead:active {
     background-color: rgba(0, 0, 0, 0.1);
}
.root {
    position: absolute;
    inset: 0;
    top: 20vh;
    margin: auto;
    width: 280px;
    height: fit-content;
    height: -moz-fit-content;
    background: white;
    padding: 7px 25px 7px;
    border-radius: 10px;
    box-shadow: 1px 1px 2px #aaa;
    z-index: 1;
}
.root h3 {
    margin: 10px auto 10px;
}
/* initially login root is visible
 */
.login {
    // display: none;
}
.signup {
    display: none;
}
/* same as .root > input, meaning input tag inside root
 */
.root input {
    outline: none;
    font-size: 1rem;
    width: calc(100% - 20px);
    margin: 7px auto 7px;
    height: 15px;
    border: 1.5px solid var(--primary-bgcolor);
    border-radius: 10px;
    padding: 10px;
    background-color: #f7f7f7;
}
.root div {
    width: calc(100% - 20px);
    height: 15px;
    display: flex;
    flex-direction: row;
    padding: 10px;
    margin: 7px auto 7px;
    background-color: #f7f7f7 ;
    border: 1.5px solid var(--primary-bgcolor);
    border-radius: 10px;
}
.root div .password {
    margin: 0;
    padding: 0;
    display: inline;
    width: calc(100% -320px);
    border: 0;
    background-color: transparent;
    border-radius: 0px;
}
.root i.fa-eye-slash {
    margin-left: 10px;
}
.root h,
.root a {
    margin: 10px auto 5px;
    margin-right: 0;
    padding: 0;
    font-weight: none;
    word-wrap: break-word;
    text-decoration: none;
    display: block;
}
.root h {
    width: 100%;
    color: #555;
    font-size: 0.8rem;
    display: none;
    text-align: center;
}
.root a {
    width: fit-content;
    color: var(--control-color);
    font-size: 0.9rem;
    text-align: right;
}
.root button {
    margin: 7px auto 7px;
    margin-right: 0;
    position: relative;
    left: calc(100% - 117px);
    width: 120px;
    height: 37px;
    border: 0;
    border-radius: 10px;
    padding: 7px 20px 7px;
    color: white;
}
.root button:disabled {
    background-color: var(--control-color);
    filter: brightness(90%);
}
/* if screen width is over 400px, scale the root slightly
 * They'll scale out if width decreases below 400px
 */
@media only screen and (min-width: 400px) {
    .root {
        transform: scale(1.15);
    }
}
/* if screen width is over 500px and landscape, scale the root more
 * They'll scale out if width decreases below 400px
 */
@media only screen and (min-width: 500px) {
    .root {
        width: 360px;
        transform: scale(1.25);
    }
}
@media only screen and (orientation: landscape) and (min-width: 600px) {
   body {
       height: 140vh;
   }
   .root {
       width: 360px;
       transform: scale(1.5);
   }
   footer {
       z-index: 0;
   }
}
/* 'Loading' animation
 */
@-webkit-keyframes loadspin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(359.9deg);
    }
}

@keyframes loadspin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(359.9deg);
    }
}