Revelav3/static/style/main.css

:root {
    --background-primary: #191724;
    --navbar-color: #26233a;
    --navbar-height: 4em;
    --navbar-text-color: #e0def4;
    --input-text-color: #e0def4;
    --input-placeholder-color: #6e6a86;
    --input-background-color: #1f1d2e;
    --input-border-color: #eb6f92;
    --input-border-size: 0.1em;
}

 ::-webkit-input-placeholder {
    text-align: center;
    font-family: 'Roboto';
}

 :-moz-placeholder {
    text-align: center;
}

#navbar {
    height: 60px;
    text-align: center;
    align-items: center;
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--navbar-color);
}

a {
    color: white;
    text-decoration: none !important;
    font-family: 'Roboto';
}

a:hover {
    color: grey;
    transition: 0.5s;
    cursor: pointer;
}

.down {
    background-color: rgb(90, 24, 154);
    left: inherit !important;
    font-family: 'Helvetica';
    background-color: var(--navbar-color);
    /* box-shadow: 2px 2px rgb(0 0 0 / 20%); */
    color: white;
    display: none;
    visibility: hidden;
    opacity: 0;
    list-style-type: none;
    position: fixed;
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
    list-style-type: none;
}

#navbar ul:not(.down) {
    font-family: 'Helvetica';
    /* box-shadow: 2px 2px rgb(0 0 0 / 20%); */
    color: white;
    margin-left: auto;
    list-style-type: none;
    float: right !important;
    margin-right: 5%;
}

#navbar ul li {
    float: left;
    padding-top: 1em;
    padding-bottom: 1em;
    padding-right: 1em;
    padding-left: 1em;
    padding: 1rem;
}

 ::placeholder,
input[type='text'] {
    color: white;
    font-size: 20px;
    text-align: center;
    font-family: 'Roboto';
}

#navbar ul p,
ul a {
    font-weight: bold;
}

*/
/*
  #navbar ul li p, ul li a {
	  font-weight: normal;
  }
  */

#navbar ul li ul {
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
    visibility: hidden;
    opacity: 0;
    margin-top: 1rem;
    left: 0;
    display: none;
}

#navbar ul li:hover ul,
ul li ul:hover {
    visibility: visible;
    opacity: 1;
    display: block;
}

#navbar ul li p {
    color: white;
    font-family: 'Calibri';
    z-index: 3 !important;
}

#navbar ul li ul li {
    clear: both;
    width: 100%;
}

#content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 98%;
    color: white;
    flex-direction: column;
    font-family: 'Roboto';
}

#content h1 {
    padding-bottom: 0.5em;
    font-weight: 100;
    text-align: center;
}

#content img {
    padding-left: .5em;
    filter: brightness(0) invert(1);
}

#content input {
    font-size: 20px;
    text-align: center;
    font-family: 'Calibri';
    border-style: solid !important;
    border: 1.3px solid var(--input-border-color);
    border-width: 1px;
    border-radius: 15px;
    background-color: var(--input-background-color);
    color: var(--input-text-color);
    width: 300px;
    height: 50px;
    box-shadow: none !important;
    outline: none;
    color: white;
    text-align: center;
    font-family: 'Roboto';
    animation-name: inputwide;
    animation-duration: 2s;
}

#content input:focus {
    outline: none;
    box-shadow: none !important;
}

@keyframes inputwide {
    0% {
        width: 0px;
        transition-duration: 0.5s;
    }
    100% {
        width: 300px;
        transition-duration: 0.5s;
    }
}