body {
	background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
	background-size: 500% 500%;
	animation: gradient 15s ease infinite;
}

@keyframes gradient {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}

.supprimer {
    margin-top: 30px;;
    text-align: center;
}

.center{
    margin-top: 50vh;
    transform: translateY(-50%);
}

.container{
    display: grid;
    grid-template-columns: 550px 550px;
    justify-content: center;
}

.box {
    z-index: 1;
    width: 500px;
    background: white;
    border-radius: 15px;
    margin: 0px 20px;
    transition: .3s cubic-bezier(.15, .8,.3,1.8);
    overflow: hidden;
    box-shadow: 0 3px 6px 0 rgba(0,0,0,0.06), 0 7px 14px 0 rgba(36,51,82,0.11);
}

.box:hover {
    z-index: 1;
    transform: translateY(-2px)
}

.box img {
    height: 200px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 70%;
    margin-top:10px;
    margin-bottom: 30px;
}

.box-text {
    text-align: center;
    padding: 20px;
    padding-top: 5px;
}


a.button4{
    display:inline-block;
    padding:0.3em 1.2em;
    margin:0 0.1em 0.1em 0;
    border:0.16em solid rgba(255,255,255,0);
    border-radius:2em;
    box-sizing: border-box;
    text-decoration:none;
    font-family:'Roboto',sans-serif;
    font-weight:300;
    color:#FFFFFF;
    text-shadow: 0 0.04em 0.04em rgba(0,0,0,0.35);
    text-align:center;
    transition: all 0.2s;
    }
    a.button4:hover{
    border-color: rgba(255,255,255,1);
    }