.penta-loading {
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

/* İkonlu butonda spinner ikonun kutusunda, ikonun yerinde döner. */
.penta-loading-slot {
    position: relative;
}

.penta-loading-slot > :not(.penta-loading) {
    visibility: hidden;
}

.penta-loading-slot > .penta-loading {
    position: absolute;
    inset: 0;
    margin: auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}