FunctionProject/website/public/css/general.css

/* GENERAL */
:root {
    --border-header-footer: 3px rgba(255, 255, 255, .7) solid;
    --background-color: #181818;
    --text-color: rgb(222, 222, 222);
    --important: #ffd800;
}
html {
    line-height: initial;
}
body {
    background-color: var(--background-color);
}
#__next {
    min-height: 100vh;
    display: flex;
    flex-flow: column wrap;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 18px;
    padding-top: 99px;  /* Height of the Header */ 
}
p {
    font-size: 18px;
    line-height: 1.9;
}
h2 {
    font-size: 1.8em;
}
a:hover {
    text-decoration: underline;
}

/* CONTENT */
.content {
    flex-grow: 1;
    display: flex;
}
.centeredContainer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* LOADING */
.isLoading {
    display: none;
}
#preloader {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
@keyframes Loader__spin {
    0% {
        animation-timing-function: cubic-bezier(0.5856, 0.0703, 0.4143, 0.9297);
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* UTILITIES */
.text-center {
    text-align: center;
    word-break: break-word;
}
.justify-content-center {
    justify-content: center;
}
.align-items-center {
    align-items: center;
}
a, .important {
    color: var(--important);
    text-decoration: none;
}
.d-none {
    display: none !important;
}
.form-control {
    display: block;
    height: calc(1.5em + .75rem + 2px);
    padding: .375rem .75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .5em;
}
.btn {
    cursor: pointer;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.btn-dark:hover {
    color: #fff;
    background-color: #23272b;
    border-color: #1d2124;
}
.btn-dark {
    color: #fff;
    background-color: #343a40;
    border-color: #343a40;
}