1<div class="container">
 2  <button class="Btn instagram">
 3    <svg
 4      class="svgIcon"
 5      viewBox="0 0 448 512"
 6      height="1.5em"
 7      xmlns="http://www.w3.org/2000/svg"
 8    >
 9      <path
10        d="M224.1 141c-63.6 0-114.9 51.3-114.9 114.9s51.3 114.9 114.9 114.9S339 319.5 339 255.9 287.7 141 224.1 141zm0 189.6c-41.1 0-74.7-33.5-74.7-74.7s33.5-74.7 74.7-74.7 74.7 33.5 74.7 74.7-33.6 74.7-74.7 74.7zm146.4-194.3c0 14.9-12 26.8-26.8 26.8-14.9 0-26.8-12-26.8-26.8s12-26.8 26.8-26.8 26.8 12 26.8 26.8zm76.1 27.2c-1.7-35.9-9.9-67.7-36.2-93.9-26.2-26.2-58-34.4-93.9-36.2-37-2.1-147.9-2.1-184.9 0-35.8 1.7-67.6 9.9-93.9 36.1s-34.4 58-36.2 93.9c-2.1 37-2.1 147.9 0 184.9 1.7 35.9 9.9 67.7 36.2 93.9s58 34.4 93.9 36.2c37 2.1 147.9 2.1 184.9 0 35.9-1.7 67.7-9.9 93.9-36.2 26.2-26.2 34.4-58 36.2-93.9 2.1-37 2.1-147.8 0-184.8zM398.8 388c-7.8 19.6-22.9 34.7-42.6 42.6-29.5 11.7-99.5 9-132.1 9s-102.7 2.6-132.1-9c-19.6-7.8-34.7-22.9-42.6-42.6-11.7-29.5-9-99.5-9-132.1s-2.6-102.7 9-132.1c7.8-19.6 22.9-34.7 42.6-42.6 29.5-11.7 99.5-9 132.1-9s102.7-2.6 132.1 9c19.6 7.8 34.7 22.9 42.6 42.6 11.7 29.5 9 99.5 9 132.1s2.7 102.7-9 132.1z"
11      ></path>
12    </svg>
13    <span class="text">Instagram</span>
14  </button>
15 
16  <button class="Btn youtube">
17    <svg
18      class="svgIcon"
19      viewBox="0 0 576 512"
20      height="1.5em"
21      xmlns="http://www.w3.org/2000/svg"
22    >
23      <path
24        d="M549.655 148.28c-6.281-23.64-24.041-42.396-47.655-48.685C462.923 85 288 85 288 85S113.077 85 74 99.595c-23.614 6.289-41.374 25.045-47.655 48.685-12.614 47.328-12.614 147.717-12.614 147.717s0 100.39 12.614 147.718c6.281 23.64 24.041 42.396 47.655 48.684C113.077 427 288 427 288 427s174.923 0 214-14.595c23.614-6.289 41.374-25.045 47.655-48.685 12.614-47.328 12.614-147.718 12.614-147.718s0-100.389-12.614-147.717zM240 336V176l144 80-144 80z"
25      ></path>
26    </svg>
27    <span class="text">YouTube</span>
28  </button>
29 
30  <button class="Btn twitter">
31    <svg
32      class="svgIcon"
33      viewBox="0 0 512 512"
34      height="1.5em"
35      xmlns="http://www.w3.org/2000/svg"
36    >
37      <path
38        d="M512 97.248c-18.84 8.36-39.082 14.008-60.277 16.54 21.62-12.92 38.212-33.216 46.042-57.45-20.242 12-42.71 20.67-66.61 25.41-19.128-20.412-46.344-33.21-76.51-33.21-58 0-105 47-105 105 0 8.22.926 16.188 2.714 23.914-87.18-4.376-164.66-46.2-216.45-109.97-9.066 15.508-14.254 33.586-14.254 52.836 0 36.37 18.54 68.542 46.844 87.428-17.272-.554-33.52-5.286-47.754-13.158v1.32c0 50.828 36.13 93.15 84.198 102.79-8.826 2.396-18.14 3.686-27.734 3.686-6.78 0-13.34-.664-19.676-1.902 13.36 41.77 52.164 72.198 98.116 73.052-35.96 28.17-81.38 44.99-130.76 44.99-8.54 0-16.94-.5-25.14-1.476 46.684 29.922 101.99 47.31 161.18 47.31 193.32 0 298.924-160.078 298.924-298.926 0-4.554-.106-9.086-.306-13.594 20.546-14.824 38.364-33.298 52.456-54.422z"
39      ></path>
40    </svg>
41    <span class="text">Twitter</span>
42  </button>
43</div>      

 1.container {
 2  display: flex;
 3}
 4 
 5.Btn {
 6  border: none;
 7  border-radius: 50%;
 8  width: 45px;
 9  height: 45px;
10  display: flex;
11  align-items: center;
12  justify-content: center;
13  transition-duration: 0.4s;
14  cursor: pointer;
15  position: relative;
16  overflow: hidden;
17  margin-left: 10px;
18}
19 
20.instagram {
21  background: #f09433;
22  background: -moz-linear-gradient(
23    45deg,
24    #f09433 0%,
25    #e6683c 25%,
26    #dc2743 50%,
27    #cc2366 75%,
28    #bc1888 100%
29  );
30  background: -webkit-linear-gradient(
31    45deg,
32    #f09433 0%,
33    #e6683c 25%,
34    #dc2743 50%,
35    #cc2366 75%,
36    #bc1888 100%
37  );
38  background: linear-gradient(
39    45deg,
40    #f09433 0%,
41    #e6683c 25%,
42    #dc2743 50%,
43    #cc2366 75%,
44    #bc1888 100%
45  );
46  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f09433', endColorstr='#bc1888',GradientType=1 );
47}
48 
49.youtube {
50  background-color: #ff0000;
51}
52 
53.twitter {
54  background-color: #1da1f2;
55}
56 
57.Btn:hover {
58  width: 110px;
59  transition-duration: 0.4s;
60  border-radius: 30px;
61}
62 
63.Btn:hover .text {
64  opacity: 1;
65  transition-duration: 0.4s;
66}
67 
68.Btn:hover .svgIcon {
69  opacity: 0;
70  transition-duration: 0.3s;
71}
72 
73.text {
74  position: absolute;
75  color: rgb(255, 255, 255);
76  width: 120px;
77  font-weight: 600;
78  opacity: 0;
79  transition-duration: 0.4s;
80}
81 
82.svgIcon {
83  transition-duration: 0.3s;
84}
85 
86.svgIcon path {
87  fill: white;
88}