.hover-text {
    transition: all 0.5s;
}

.hover-text:hover {
    color: #290000;
    font-size: 20px;
}

.box {
    position: fixed;
    width: 50px;
    height: 50px;
    background: red;
    border: 1px solid black;
    animation: size-down ease-out 0.5s infinite alternate both;

}

@keyframes size-down {
    100% {transform: scale(0.3, 0.3); background: #290000;}
}