body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}

.wrapper {
    height: 100vh;
    width: 100vw;
    background-color: #F0F8F8;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    position: relative;
}

.square-loading {
    height: 100px;
    width: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.square-row {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

.square {
    height: 25px;
    width: 25px;
    border: 5px solid #F0F8F8;
    border-radius: 4px;
    animation-timing-function: step-end; 
    animation: 0.3s lightSquare linear infinite;
}

.square1 {
    animation-delay: 0s;
}

.square2 {
    animation-delay: 0.1s;
}

.square4 {
    animation-delay: 0.2s;
}

.square3 {
    animation-delay: 0.3s;
}

@keyframes lightSquare {
    0% {
        border: 5px solid #9415ED;
    }
}