docs/_static/css/custom.css

/*-----------------------------------------------------------------------------
# Copyright (c) 2020, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#----------------------------------------------------------------------------*/

/* Expand width to fill screen */
.wy-nav-content {
   max-width: none;
}

/* Flexbox Tile Grid Settings  */
.grid {
    list-style-type: none !important;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin: 1rem auto;
    max-width: calc((250px + 2rem) * 4);
}

.grid-item {
    list-style-type: none !important;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 auto;
            flex: 0 0 auto;
    width: 220px;
    text-align: center;
    margin: 1rem;
}

.grid-item a {
    display: block;
    width: 220px;
    height: 220px;
    padding: 22px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    border: 1px solid #c6cbce;
    background-color: #2980B9;
    color: white;
}

.grid-item h2 {
    font-size: 1.1rem;
}

.grid-item img {
    margin-bottom: 1.1rem;
    max-width: 75%;
}

.grid-item a:hover {
    background-color: #32cd32;
    color: white;
}


.grid-item p {
    margin-top: 0.5rem;
    color: #333e48;
}

.grid-icon {
   line-height: 1.8;
   font-size: 6rem;
   color: #343131;
}