.col{
	width: 90%;
	padding: 35px 10%;
    display: block;
	margin-left: 5%;
}

.col .contents{
	padding: 0px 30px;
	border-left: 2px solid #bababa;
}
.col .contents .box{
	position: relative;
	padding: 20px;
	background-color: #242629;
    box-shadow: none;
	/* cursor: pointer; */
	transition: all 0.4s;
	margin-bottom: 20px;
}
.col .contents .box::before{
	content: '';
	position: absolute;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	right: calc(100% + 21px);
	top: 0;
	background-color: #242629;
	border: 2px solid rgb(255, 255, 231);
}
.box h4{
	position: relative;
	color: #2cb67d;
}
.box h3{
	font-size: 19px;
	padding: 10px 0px 6px;
	font-family: helvetica;
	color: rgb(255, 255, 231);
}
.box p{
	line-height: 1.2;
	color: rgb(255, 255, 231);
	font-size: 17px;
}
@media(max-width:1462px){
    .box{
        flex-direction: column;
    }
    .img{
        margin-left:3% ;
		text-align: center;
    }
	h4,.box h3{
		text-align: center;
    }
}
@media(max-width:637px){
    .col{
		margin: 0;
		width: 100%;
	}
    h4{
		text-align: center;
        font-size: x-large;
    }
}
@media(max-width: 768px){
	.col{
		margin: 0;
		width: 100%;
	}
	main.row{
		grid-template-columns: 1fr;
	}
	.row .col:nth-child(2){
		margin-top: 30px;
	}
}
@media(max-width:513px){
	.col{
		margin: 0;
		width: 100%;
	}
    h4{
        font-size: x-large;
    }
    .box h3{
        font-size: large;
    }
    .box p{
        font-size: medium;
    }
}
@media(max-width:438px)
{
	.img>img{
		width: 150px;
	}
	h4{
        font-size: large;
    }
    .box h3{
        font-size: large;
    }
    .box p{
        font-size: large;
    }
	.exp-btn{
		font-size: 13px;
	}
	.col{
		margin: 0;
		width: 100%;
	}
}