.flex {
    display: flex;
}

.justify-center {
    justify-content: center;
}

.align-center {
    align-items: center;
}

.bg-black {
    background-color: black;
    color: white;
}

.bg-grey {
    background-color: #121212;
}

.invert {
    filter: invert(1);
}

.rounded {
    border-radius: 7px;
}

.m-1 {
    margin: 5px;
}

.p-1 {
    padding: 10px;
}

/* CUSTOM SCROLLBAR FOR WEBKIT BROWSERS */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #1e1e1e;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 10px;
    border: 3px solid #1e1e1e;
}

::-webkit-scrollbar-thumb:hover {
    background: #888;
}

/* CUSTOM RANGE DESIGN FOR WEBKIT BROWSERS */
.range input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    cursor: pointer;
    background: linear-gradient(to right, #1ed760 50%, #ccc 50%);
    outline: none;
    transition: background 0.3s;
}

.range input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: #1ed760;
    cursor: pointer;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
}

.range input[type="range"]::-moz-range-thumb {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: #1ed760;
    border: none;
    cursor: pointer;
}

.range input[type="range"]::-moz-range-track {
    height: 4px;
    background: #ccc;
    border-radius: 2px;
}

.range input[type="range"]::-moz-range-progress {
    height: 4px;
    background: #1ed760;
    border-radius: 2px;
}