.box-principal{
    background-color: #fff;
    text-align: justify;
    padding: 15px 20px 15px 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 3px 1px;
    width: 100%;
    margin-top: 30px;
}

.div-matricula{
    margin: 0 auto;
    width: 250px;
}

.input-matricula{
    width: 150px;
}



/* Configuração do ícone de "aguardando" (sem uso de imagens css puro aplicado a uma div) */
.wait-ico{
    z-index: 1001;
    align-content: center;
    animation: rotacao 1s linear infinite;
	border: 6px solid rgba(0, 0, 0, 0.2);
	border-top-color: #42b9eb;
	border-radius: 50%;
	height: 50px;
    width: 50px;
    display: inline;
}

.wait-msg{
    margin-left: 5px;
}

.wait-box{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 5px;
    margin: 5px;
    border-radius: 30px;
}

@keyframes rotacao {
	to {
	  transform: rotate(360deg);
	}
}

.wait-container{
    display: flex;
    z-index: 999;
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 0px;
    left: 0px;
}