.sec1_svg {
    width: 45px;
    height: 45px;
    color: var(--col-sun);

}
.sec1_svg:hover {
    transform: scale(110%);
    animation: blinker 1.5s linear infinite;
    color: #eee;
}
.sec1_svg:active {
    color: #bbb;
    transform: scale(100%)
}

@keyframes blinker {
    0% {
        opacity: 100%;
    }
    10% {
        opacity: 30%;
    }
    20% {
        opacity: 50%;
    }
    30% {
        opacity: 100%;
    }
    40% {
        opacity: 0%;
    }
    50% {
        opacity: 40%;
    }
    60% {
        opacity: 100%
    }
    70% {
        opacity: 10%
    }
    80% {
        opacity: 30%
    }
    90% {
        opacity: 80%
    }
    100% {
        opacity: 0%
    }
}