html, body {
    width: 100%;
    height: 100%;
    background-color: aqua;
    margin: 0;
    padding: 0;
    background-image: linear-gradient(#005ffe, #0008c1);
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    text-transform: uppercase;
}

.content {
    width: 690px;
    margin: 0 auto;
}

.logo {
    max-width: 100%;
}

table {
    width: 100%;
    border-spacing: 0px;
}

tr {
    display: block;
    width: 100%;
    border-spacing: 0px;
}

td {
    /* display: inline-block; */
    width: 20%;
    box-sizing: border-box;
    border: 5px solid white;
    border-spacing: 0px;
    table-layout: fixed;
    height: 150px;
    color: white;
    padding: 5px;
    vertical-align: middle;
    cursor: pointer;
}

td.cross {
    position: relative;
    background-color: tomato;
}

td.cross::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    content: "\274c";
    font-size: 50px; 
    color: #FFF;
    line-height: 150px;
    text-align: center;
}